Home / 2,165,468,513.64-2,988,269,229.30-1,225,650,977.52

Finding the Fourth Proportional to 2,165,468,513.64, 2,988,269,229.30 and 1,225,650,977.52

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Solution

The fourth proportional to 2,165,468,513.64, 2,988,269,229.30 and 1,225,650,977.52 is: 1,691,354,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,468,513.64 : 2,988,269,229.30 = 1,225,650,977.52 : x
  2. Step 2: Convert to fraction form
    2,165,468,513.64/2,988,269,229.30 = 1,225,650,977.52/x
  3. Step 3: Cross multiply
    2,165,468,513.64x = 2,988,269,229.30 × 1,225,650,977.52
  4. Step 4: Simplify right side
    2,165,468,513.64x = 3,662,575,101,984,482,304
  5. Step 5: Solve for x
    x = 3,662,575,101,984,482,304/2,165,468,513.64
  6. Step 6: Final answer
    x = 1,691,354,586.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.