Home / 498,506,487.56-747,091,329.43-387,975,626.48

Finding the Fourth Proportional to 498,506,487.56, 747,091,329.43 and 387,975,626.48

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Solution

The fourth proportional to 498,506,487.56, 747,091,329.43 and 387,975,626.48 is: 581,443,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,506,487.56 : 747,091,329.43 = 387,975,626.48 : x
  2. Step 2: Convert to fraction form
    498,506,487.56/747,091,329.43 = 387,975,626.48/x
  3. Step 3: Cross multiply
    498,506,487.56x = 747,091,329.43 × 387,975,626.48
  4. Step 4: Simplify right side
    498,506,487.56x = 289,853,226,571,440,448
  5. Step 5: Solve for x
    x = 289,853,226,571,440,448/498,506,487.56
  6. Step 6: Final answer
    x = 581,443,238.56

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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.