Home / 928,248,142.14-1,392,530,843.61-382,691,447.10

Finding the Fourth Proportional to 928,248,142.14, 1,392,530,843.61 and 382,691,447.10

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Solution

The fourth proportional to 928,248,142.14, 1,392,530,843.61 and 382,691,447.10 is: 574,102,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,248,142.14 : 1,392,530,843.61 = 382,691,447.10 : x
  2. Step 2: Convert to fraction form
    928,248,142.14/1,392,530,843.61 = 382,691,447.10/x
  3. Step 3: Cross multiply
    928,248,142.14x = 1,392,530,843.61 × 382,691,447.10
  4. Step 4: Simplify right side
    928,248,142.14x = 532,909,643,672,494,656
  5. Step 5: Solve for x
    x = 532,909,643,672,494,656/928,248,142.14
  6. Step 6: Final answer
    x = 574,102,569.65

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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.