Home / 1,251,443,945.45-1,726,207,098.39-742,446,296.80

Finding the Fourth Proportional to 1,251,443,945.45, 1,726,207,098.39 and 742,446,296.80

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Solution

The fourth proportional to 1,251,443,945.45, 1,726,207,098.39 and 742,446,296.80 is: 1,024,109,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,443,945.45 : 1,726,207,098.39 = 742,446,296.80 : x
  2. Step 2: Convert to fraction form
    1,251,443,945.45/1,726,207,098.39 = 742,446,296.80/x
  3. Step 3: Cross multiply
    1,251,443,945.45x = 1,726,207,098.39 × 742,446,296.80
  4. Step 4: Simplify right side
    1,251,443,945.45x = 1,281,616,067,709,528,832
  5. Step 5: Solve for x
    x = 1,281,616,067,709,528,832/1,251,443,945.45
  6. Step 6: Final answer
    x = 1,024,109,847.16

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Double scale
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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.