Home / 1,179,889,027.20-1,769,833,540.80-413,984,131.20

Finding the Fourth Proportional to 1,179,889,027.20, 1,769,833,540.80 and 413,984,131.20

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Solution

The fourth proportional to 1,179,889,027.20, 1,769,833,540.80 and 413,984,131.20 is: 620,976,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,889,027.20 : 1,769,833,540.80 = 413,984,131.20 : x
  2. Step 2: Convert to fraction form
    1,179,889,027.20/1,769,833,540.80 = 413,984,131.20/x
  3. Step 3: Cross multiply
    1,179,889,027.20x = 1,769,833,540.80 × 413,984,131.20
  4. Step 4: Simplify right side
    1,179,889,027.20x = 732,683,000,756,707,712
  5. Step 5: Solve for x
    x = 732,683,000,756,707,712/1,179,889,027.20
  6. Step 6: Final answer
    x = 620,976,196.80

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Half scale
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Double scale
Find fourth proportional to 1,179,889,028.20, 1,769,833,542.30 and 413,984,132.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.