Home / 506,423,945.20-698,902,597.92-283,427,977.36

Finding the Fourth Proportional to 506,423,945.20, 698,902,597.92 and 283,427,977.36

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Solution

The fourth proportional to 506,423,945.20, 698,902,597.92 and 283,427,977.36 is: 391,151,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,423,945.20 : 698,902,597.92 = 283,427,977.36 : x
  2. Step 2: Convert to fraction form
    506,423,945.20/698,902,597.92 = 283,427,977.36/x
  3. Step 3: Cross multiply
    506,423,945.20x = 698,902,597.92 × 283,427,977.36
  4. Step 4: Simplify right side
    506,423,945.20x = 198,088,549,700,114,944
  5. Step 5: Solve for x
    x = 198,088,549,700,114,944/506,423,945.20
  6. Step 6: Final answer
    x = 391,151,626.18

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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.