Home / 747,145,414.80-1,117,694,813.40-656,446,150.80

Finding the Fourth Proportional to 747,145,414.80, 1,117,694,813.40 and 656,446,150.80

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Solution

The fourth proportional to 747,145,414.80, 1,117,694,813.40 and 656,446,150.80 is: 982,012,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,145,414.80 : 1,117,694,813.40 = 656,446,150.80 : x
  2. Step 2: Convert to fraction form
    747,145,414.80/1,117,694,813.40 = 656,446,150.80/x
  3. Step 3: Cross multiply
    747,145,414.80x = 1,117,694,813.40 × 656,446,150.80
  4. Step 4: Simplify right side
    747,145,414.80x = 733,706,458,025,554,304
  5. Step 5: Solve for x
    x = 733,706,458,025,554,304/747,145,414.80
  6. Step 6: Final answer
    x = 982,012,930.14

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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.