Home / 888,840,139.72-1,226,598,966.18-531,607,910.17

Finding the Fourth Proportional to 888,840,139.72, 1,226,598,966.18 and 531,607,910.17

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Solution

The fourth proportional to 888,840,139.72, 1,226,598,966.18 and 531,607,910.17 is: 733,618,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,840,139.72 : 1,226,598,966.18 = 531,607,910.17 : x
  2. Step 2: Convert to fraction form
    888,840,139.72/1,226,598,966.18 = 531,607,910.17/x
  3. Step 3: Cross multiply
    888,840,139.72x = 1,226,598,966.18 × 531,607,910.17
  4. Step 4: Simplify right side
    888,840,139.72x = 652,069,713,027,632,384
  5. Step 5: Solve for x
    x = 652,069,713,027,632,384/888,840,139.72
  6. Step 6: Final answer
    x = 733,618,660.87

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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.