Home / 498,962,469.21-747,915,911.86-187,935,513.71

Finding the Fourth Proportional to 498,962,469.21, 747,915,911.86 and 187,935,513.71

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Solution

The fourth proportional to 498,962,469.21, 747,915,911.86 and 187,935,513.71 is: 281,704,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,962,469.21 : 747,915,911.86 = 187,935,513.71 : x
  2. Step 2: Convert to fraction form
    498,962,469.21/747,915,911.86 = 187,935,513.71/x
  3. Step 3: Cross multiply
    498,962,469.21x = 747,915,911.86 × 187,935,513.71
  4. Step 4: Simplify right side
    498,962,469.21x = 140,559,961,110,404,640
  5. Step 5: Solve for x
    x = 140,559,961,110,404,640/498,962,469.21
  6. Step 6: Final answer
    x = 281,704,476.36

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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.