Home / 716,135,302.95-987,904,970.24-418,583,147.55

Finding the Fourth Proportional to 716,135,302.95, 987,904,970.24 and 418,583,147.55

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Solution

The fourth proportional to 716,135,302.95, 987,904,970.24 and 418,583,147.55 is: 577,433,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,135,302.95 : 987,904,970.24 = 418,583,147.55 : x
  2. Step 2: Convert to fraction form
    716,135,302.95/987,904,970.24 = 418,583,147.55/x
  3. Step 3: Cross multiply
    716,135,302.95x = 987,904,970.24 × 418,583,147.55
  4. Step 4: Simplify right side
    716,135,302.95x = 413,520,371,921,255,360
  5. Step 5: Solve for x
    x = 413,520,371,921,255,360/716,135,302.95
  6. Step 6: Final answer
    x = 577,433,300.97

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.