Home / 498,506,685.08-747,091,625.88-387,975,820.64

Finding the Fourth Proportional to 498,506,685.08, 747,091,625.88 and 387,975,820.64

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Solution

The fourth proportional to 498,506,685.08, 747,091,625.88 and 387,975,820.64 is: 581,443,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,506,685.08 : 747,091,625.88 = 387,975,820.64 : x
  2. Step 2: Convert to fraction form
    498,506,685.08/747,091,625.88 = 387,975,820.64/x
  3. Step 3: Cross multiply
    498,506,685.08x = 747,091,625.88 × 387,975,820.64
  4. Step 4: Simplify right side
    498,506,685.08x = 289,853,486,644,064,832
  5. Step 5: Solve for x
    x = 289,853,486,644,064,832/498,506,685.08
  6. Step 6: Final answer
    x = 581,443,529.88

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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.