Home / 2,657,448,134.10-3,986,172,201.15-816,961,662.90

Finding the Fourth Proportional to 2,657,448,134.10, 3,986,172,201.15 and 816,961,662.90

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Solution

The fourth proportional to 2,657,448,134.10, 3,986,172,201.15 and 816,961,662.90 is: 1,225,442,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,448,134.10 : 3,986,172,201.15 = 816,961,662.90 : x
  2. Step 2: Convert to fraction form
    2,657,448,134.10/3,986,172,201.15 = 816,961,662.90/x
  3. Step 3: Cross multiply
    2,657,448,134.10x = 3,986,172,201.15 × 816,961,662.90
  4. Step 4: Simplify right side
    2,657,448,134.10x = 3,256,549,870,057,257,472
  5. Step 5: Solve for x
    x = 3,256,549,870,057,257,472/2,657,448,134.10
  6. Step 6: Final answer
    x = 1,225,442,494.35

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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.