Home / 263,401,033,573.91-363,493,426,296.75-149,215,654,567.19

Finding the Fourth Proportional to 263,401,033,573.91, 363,493,426,296.75 and 149,215,654,567.19

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Solution

The fourth proportional to 263,401,033,573.91, 363,493,426,296.75 and 149,215,654,567.19 is: 205,917,603,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,401,033,573.91 : 363,493,426,296.75 = 149,215,654,567.19 : x
  2. Step 2: Convert to fraction form
    263,401,033,573.91/363,493,426,296.75 = 149,215,654,567.19/x
  3. Step 3: Cross multiply
    263,401,033,573.91x = 363,493,426,296.75 × 149,215,654,567.19
  4. Step 4: Simplify right side
    263,401,033,573.91x = 54,238,909,535,740,185,542,656
  5. Step 5: Solve for x
    x = 54,238,909,535,740,185,542,656/263,401,033,573.91
  6. Step 6: Final answer
    x = 205,917,603,282.76

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Half scale
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Double scale
Find fourth proportional to 263,401,033,574.91, 363,493,426,298.13 and 149,215,654,568.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.