Home / 506,906,892.92-760,680,188.12-215,773,540.40

Finding the Fourth Proportional to 506,906,892.92, 760,680,188.12 and 215,773,540.40

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Solution

The fourth proportional to 506,906,892.92, 760,680,188.12 and 215,773,540.40 is: 323,796,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,906,892.92 : 760,680,188.12 = 215,773,540.40 : x
  2. Step 2: Convert to fraction form
    506,906,892.92/760,680,188.12 = 215,773,540.40/x
  3. Step 3: Cross multiply
    506,906,892.92x = 760,680,188.12 × 215,773,540.40
  4. Step 4: Simplify right side
    506,906,892.92x = 164,134,657,302,790,432
  5. Step 5: Solve for x
    x = 164,134,657,302,790,432/506,906,892.92
  6. Step 6: Final answer
    x = 323,796,459.66

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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.