Home / 521,284,241.40-781,695,414.90-176,144,148.60

Finding the Fourth Proportional to 521,284,241.40, 781,695,414.90 and 176,144,148.60

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Solution

The fourth proportional to 521,284,241.40, 781,695,414.90 and 176,144,148.60 is: 264,138,184.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,284,241.40 : 781,695,414.90 = 176,144,148.60 : x
  2. Step 2: Convert to fraction form
    521,284,241.40/781,695,414.90 = 176,144,148.60/x
  3. Step 3: Cross multiply
    521,284,241.40x = 781,695,414.90 × 176,144,148.60
  4. Step 4: Simplify right side
    521,284,241.40x = 137,691,073,322,084,240
  5. Step 5: Solve for x
    x = 137,691,073,322,084,240/521,284,241.40
  6. Step 6: Final answer
    x = 264,138,184.86

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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.