Home / 508,965,944.60-763,672,865.70-236,196,306.20

Finding the Fourth Proportional to 508,965,944.60, 763,672,865.70 and 236,196,306.20

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Solution

The fourth proportional to 508,965,944.60, 763,672,865.70 and 236,196,306.20 is: 354,398,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,965,944.60 : 763,672,865.70 = 236,196,306.20 : x
  2. Step 2: Convert to fraction form
    508,965,944.60/763,672,865.70 = 236,196,306.20/x
  3. Step 3: Cross multiply
    508,965,944.60x = 763,672,865.70 × 236,196,306.20
  4. Step 4: Simplify right side
    508,965,944.60x = 180,376,710,023,508,672
  5. Step 5: Solve for x
    x = 180,376,710,023,508,672/508,965,944.60
  6. Step 6: Final answer
    x = 354,398,387.43

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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.