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Finding the Fourth Proportional to 715,693,951.80, 1,073,540,927.70 and 532,027,942.20

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Solution

The fourth proportional to 715,693,951.80, 1,073,540,927.70 and 532,027,942.20 is: 798,041,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,693,951.80 : 1,073,540,927.70 = 532,027,942.20 : x
  2. Step 2: Convert to fraction form
    715,693,951.80/1,073,540,927.70 = 532,027,942.20/x
  3. Step 3: Cross multiply
    715,693,951.80x = 1,073,540,927.70 × 532,027,942.20
  4. Step 4: Simplify right side
    715,693,951.80x = 571,153,770,631,710,016
  5. Step 5: Solve for x
    x = 571,153,770,631,710,016/715,693,951.80
  6. Step 6: Final answer
    x = 798,041,913.30

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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.