Home / 527,049,330.87-727,328,144.31-292,115,158.59

Finding the Fourth Proportional to 527,049,330.87, 727,328,144.31 and 292,115,158.59

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Solution

The fourth proportional to 527,049,330.87, 727,328,144.31 and 292,115,158.59 is: 403,118,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,049,330.87 : 727,328,144.31 = 292,115,158.59 : x
  2. Step 2: Convert to fraction form
    527,049,330.87/727,328,144.31 = 292,115,158.59/x
  3. Step 3: Cross multiply
    527,049,330.87x = 727,328,144.31 × 292,115,158.59
  4. Step 4: Simplify right side
    527,049,330.87x = 212,463,576,222,086,016
  5. Step 5: Solve for x
    x = 212,463,576,222,086,016/527,049,330.87
  6. Step 6: Final answer
    x = 403,118,956.38

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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.