Home / 752,948,634.62-1,039,094,318.41-418,435,256.23

Finding the Fourth Proportional to 752,948,634.62, 1,039,094,318.41 and 418,435,256.23

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Solution

The fourth proportional to 752,948,634.62, 1,039,094,318.41 and 418,435,256.23 is: 577,454,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,948,634.62 : 1,039,094,318.41 = 418,435,256.23 : x
  2. Step 2: Convert to fraction form
    752,948,634.62/1,039,094,318.41 = 418,435,256.23/x
  3. Step 3: Cross multiply
    752,948,634.62x = 1,039,094,318.41 × 418,435,256.23
  4. Step 4: Simplify right side
    752,948,634.62x = 434,793,697,369,314,432
  5. Step 5: Solve for x
    x = 434,793,697,369,314,432/752,948,634.62
  6. Step 6: Final answer
    x = 577,454,659.42

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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.