Home / 1,012,729,913.02-1,519,367,565.24-521,175,331.54

Finding the Fourth Proportional to 1,012,729,913.02, 1,519,367,565.24 and 521,175,331.54

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Solution

The fourth proportional to 1,012,729,913.02, 1,519,367,565.24 and 521,175,331.54 is: 781,903,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,729,913.02 : 1,519,367,565.24 = 521,175,331.54 : x
  2. Step 2: Convert to fraction form
    1,012,729,913.02/1,519,367,565.24 = 521,175,331.54/x
  3. Step 3: Cross multiply
    1,012,729,913.02x = 1,519,367,565.24 × 521,175,331.54
  4. Step 4: Simplify right side
    1,012,729,913.02x = 791,856,894,545,079,680
  5. Step 5: Solve for x
    x = 791,856,894,545,079,680/1,012,729,913.02
  6. Step 6: Final answer
    x = 781,903,333.12

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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.