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Finding the Fourth Proportional to 861,776,562.30, 1,292,664,843.45 and 598,748,696.70

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Solution

The fourth proportional to 861,776,562.30, 1,292,664,843.45 and 598,748,696.70 is: 898,123,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,776,562.30 : 1,292,664,843.45 = 598,748,696.70 : x
  2. Step 2: Convert to fraction form
    861,776,562.30/1,292,664,843.45 = 598,748,696.70/x
  3. Step 3: Cross multiply
    861,776,562.30x = 1,292,664,843.45 × 598,748,696.70
  4. Step 4: Simplify right side
    861,776,562.30x = 773,981,390,285,597,184
  5. Step 5: Solve for x
    x = 773,981,390,285,597,184/861,776,562.30
  6. Step 6: Final answer
    x = 898,123,045.05

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1.5x scale

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.