Home / 888,045,785.30-1,329,517,761.15-543,672,017.30

Finding the Fourth Proportional to 888,045,785.30, 1,329,517,761.15 and 543,672,017.30

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Solution

The fourth proportional to 888,045,785.30, 1,329,517,761.15 and 543,672,017.30 is: 813,946,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,045,785.30 : 1,329,517,761.15 = 543,672,017.30 : x
  2. Step 2: Convert to fraction form
    888,045,785.30/1,329,517,761.15 = 543,672,017.30/x
  3. Step 3: Cross multiply
    888,045,785.30x = 1,329,517,761.15 × 543,672,017.30
  4. Step 4: Simplify right side
    888,045,785.30x = 722,821,603,240,600,064
  5. Step 5: Solve for x
    x = 722,821,603,240,600,064/888,045,785.30
  6. Step 6: Final answer
    x = 813,946,324.85

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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.