Home / 1,543,537,115.10-2,315,305,672.65-890,502,414.30

Finding the Fourth Proportional to 1,543,537,115.10, 2,315,305,672.65 and 890,502,414.30

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Solution

The fourth proportional to 1,543,537,115.10, 2,315,305,672.65 and 890,502,414.30 is: 1,335,753,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,537,115.10 : 2,315,305,672.65 = 890,502,414.30 : x
  2. Step 2: Convert to fraction form
    1,543,537,115.10/2,315,305,672.65 = 890,502,414.30/x
  3. Step 3: Cross multiply
    1,543,537,115.10x = 2,315,305,672.65 × 890,502,414.30
  4. Step 4: Simplify right side
    1,543,537,115.10x = 2,061,785,291,337,310,464
  5. Step 5: Solve for x
    x = 2,061,785,291,337,310,464/1,543,537,115.10
  6. Step 6: Final answer
    x = 1,335,753,621.45

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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.