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Finding the Fourth Proportional to 806,786,531.73, 1,113,336,020.56 and 449,535,850.29

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Solution

The fourth proportional to 806,786,531.73, 1,113,336,020.56 and 449,535,850.29 is: 620,343,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,786,531.73 : 1,113,336,020.56 = 449,535,850.29 : x
  2. Step 2: Convert to fraction form
    806,786,531.73/1,113,336,020.56 = 449,535,850.29/x
  3. Step 3: Cross multiply
    806,786,531.73x = 1,113,336,020.56 × 449,535,850.29
  4. Step 4: Simplify right side
    806,786,531.73x = 500,484,454,660,924,544
  5. Step 5: Solve for x
    x = 500,484,454,660,924,544/806,786,531.73
  6. Step 6: Final answer
    x = 620,343,095.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.