Home / 498,506,622.71-747,091,532.32-387,975,758.27

Finding the Fourth Proportional to 498,506,622.71, 747,091,532.32 and 387,975,758.27

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Solution

The fourth proportional to 498,506,622.71, 747,091,532.32 and 387,975,758.27 is: 581,443,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,506,622.71 : 747,091,532.32 = 387,975,758.27 : x
  2. Step 2: Convert to fraction form
    498,506,622.71/747,091,532.32 = 387,975,758.27/x
  3. Step 3: Cross multiply
    498,506,622.71x = 747,091,532.32 × 387,975,758.27
  4. Step 4: Simplify right side
    498,506,622.71x = 289,853,403,744,242,816
  5. Step 5: Solve for x
    x = 289,853,403,744,242,816/498,506,622.71
  6. Step 6: Final answer
    x = 581,443,436.34

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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.