Home / 754,445,455.60-1,131,668,183.40-718,732,620.40

Finding the Fourth Proportional to 754,445,455.60, 1,131,668,183.40 and 718,732,620.40

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Solution

The fourth proportional to 754,445,455.60, 1,131,668,183.40 and 718,732,620.40 is: 1,078,098,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,445,455.60 : 1,131,668,183.40 = 718,732,620.40 : x
  2. Step 2: Convert to fraction form
    754,445,455.60/1,131,668,183.40 = 718,732,620.40/x
  3. Step 3: Cross multiply
    754,445,455.60x = 1,131,668,183.40 × 718,732,620.40
  4. Step 4: Simplify right side
    754,445,455.60x = 813,366,838,878,389,760
  5. Step 5: Solve for x
    x = 813,366,838,878,389,760/754,445,455.60
  6. Step 6: Final answer
    x = 1,078,098,930.60

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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.