Home / 652,533,059.16-900,581,617.98-391,789,471.32

Finding the Fourth Proportional to 652,533,059.16, 900,581,617.98 and 391,789,471.32

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Solution

The fourth proportional to 652,533,059.16, 900,581,617.98 and 391,789,471.32 is: 540,721,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,533,059.16 : 900,581,617.98 = 391,789,471.32 : x
  2. Step 2: Convert to fraction form
    652,533,059.16/900,581,617.98 = 391,789,471.32/x
  3. Step 3: Cross multiply
    652,533,059.16x = 900,581,617.98 × 391,789,471.32
  4. Step 4: Simplify right side
    652,533,059.16x = 352,838,395,988,894,400
  5. Step 5: Solve for x
    x = 352,838,395,988,894,400/652,533,059.16
  6. Step 6: Final answer
    x = 540,721,103.76

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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.