Home / 1,105,002,331.30-1,657,503,496.95-756,323,891.20

Finding the Fourth Proportional to 1,105,002,331.30, 1,657,503,496.95 and 756,323,891.20

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Solution

The fourth proportional to 1,105,002,331.30, 1,657,503,496.95 and 756,323,891.20 is: 1,134,485,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,002,331.30 : 1,657,503,496.95 = 756,323,891.20 : x
  2. Step 2: Convert to fraction form
    1,105,002,331.30/1,657,503,496.95 = 756,323,891.20/x
  3. Step 3: Cross multiply
    1,105,002,331.30x = 1,657,503,496.95 × 756,323,891.20
  4. Step 4: Simplify right side
    1,105,002,331.30x = 1,253,609,494,490,831,360
  5. Step 5: Solve for x
    x = 1,253,609,494,490,831,360/1,105,002,331.30
  6. Step 6: Final answer
    x = 1,134,485,836.80

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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.