Home / 449,299,312.80-672,605,276.40-267,452,887.20

Finding the Fourth Proportional to 449,299,312.80, 672,605,276.40 and 267,452,887.20

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Solution

The fourth proportional to 449,299,312.80, 672,605,276.40 and 267,452,887.20 is: 400,379,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,299,312.80 : 672,605,276.40 = 267,452,887.20 : x
  2. Step 2: Convert to fraction form
    449,299,312.80/672,605,276.40 = 267,452,887.20/x
  3. Step 3: Cross multiply
    449,299,312.80x = 672,605,276.40 × 267,452,887.20
  4. Step 4: Simplify right side
    449,299,312.80x = 179,890,223,119,134,016
  5. Step 5: Solve for x
    x = 179,890,223,119,134,016/449,299,312.80
  6. Step 6: Final answer
    x = 400,379,475.32

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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.