Home / 498,506,808.38-747,091,811.30-387,975,943.80

Finding the Fourth Proportional to 498,506,808.38, 747,091,811.30 and 387,975,943.80

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Solution

The fourth proportional to 498,506,808.38, 747,091,811.30 and 387,975,943.80 is: 581,443,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,506,808.38 : 747,091,811.30 = 387,975,943.80 : x
  2. Step 2: Convert to fraction form
    498,506,808.38/747,091,811.30 = 387,975,943.80/x
  3. Step 3: Cross multiply
    498,506,808.38x = 747,091,811.30 × 387,975,943.80
  4. Step 4: Simplify right side
    498,506,808.38x = 289,853,650,592,429,120
  5. Step 5: Solve for x
    x = 289,853,650,592,429,120/498,506,808.38
  6. Step 6: Final answer
    x = 581,443,714.96

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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.