Home / 527,049,321.85-727,328,131.90-292,115,149.57

Finding the Fourth Proportional to 527,049,321.85, 727,328,131.90 and 292,115,149.57

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Solution

The fourth proportional to 527,049,321.85, 727,328,131.90 and 292,115,149.57 is: 403,118,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,049,321.85 : 727,328,131.90 = 292,115,149.57 : x
  2. Step 2: Convert to fraction form
    527,049,321.85/727,328,131.90 = 292,115,149.57/x
  3. Step 3: Cross multiply
    527,049,321.85x = 727,328,131.90 × 292,115,149.57
  4. Step 4: Simplify right side
    527,049,321.85x = 212,463,566,038,260,704
  5. Step 5: Solve for x
    x = 212,463,566,038,260,704/527,049,321.85
  6. Step 6: Final answer
    x = 403,118,943.96

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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.