Home / 521,108,288.33-781,687,570.23-171,346,612.55

Finding the Fourth Proportional to 521,108,288.33, 781,687,570.23 and 171,346,612.55

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Solution

The fourth proportional to 521,108,288.33, 781,687,570.23 and 171,346,612.55 is: 257,028,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,108,288.33 : 781,687,570.23 = 171,346,612.55 : x
  2. Step 2: Convert to fraction form
    521,108,288.33/781,687,570.23 = 171,346,612.55/x
  3. Step 3: Cross multiply
    521,108,288.33x = 781,687,570.23 × 171,346,612.55
  4. Step 4: Simplify right side
    521,108,288.33x = 133,939,517,227,442,272
  5. Step 5: Solve for x
    x = 133,939,517,227,442,272/521,108,288.33
  6. Step 6: Final answer
    x = 257,028,184.41

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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.