Home / 472,392,001.30-708,588,001.95-144,918,057.10

Finding the Fourth Proportional to 472,392,001.30, 708,588,001.95 and 144,918,057.10

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Solution

The fourth proportional to 472,392,001.30, 708,588,001.95 and 144,918,057.10 is: 217,377,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,001.30 : 708,588,001.95 = 144,918,057.10 : x
  2. Step 2: Convert to fraction form
    472,392,001.30/708,588,001.95 = 144,918,057.10/x
  3. Step 3: Cross multiply
    472,392,001.30x = 708,588,001.95 × 144,918,057.10
  4. Step 4: Simplify right side
    472,392,001.30x = 102,687,196,526,965,008
  5. Step 5: Solve for x
    x = 102,687,196,526,965,008/472,392,001.30
  6. Step 6: Final answer
    x = 217,377,085.65

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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.