Home / 1,377,715,918-2,067,542,298.12-1,245,992,966.32

Finding the Fourth Proportional to 1,377,715,918, 2,067,542,298.12 and 1,245,992,966.32

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Solution

The fourth proportional to 1,377,715,918, 2,067,542,298.12 and 1,245,992,966.32 is: 1,869,865,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,715,918 : 2,067,542,298.12 = 1,245,992,966.32 : x
  2. Step 2: Convert to fraction form
    1,377,715,918/2,067,542,298.12 = 1,245,992,966.32/x
  3. Step 3: Cross multiply
    1,377,715,918x = 2,067,542,298.12 × 1,245,992,966.32
  4. Step 4: Simplify right side
    1,377,715,918x = 2,576,143,161,026,608,128
  5. Step 5: Solve for x
    x = 2,576,143,161,026,608,128/1,377,715,918
  6. Step 6: Final answer
    x = 1,869,865,280.19

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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.