Home / 266,040,346.80-399,060,520.20-175,266,433.20

Finding the Fourth Proportional to 266,040,346.80, 399,060,520.20 and 175,266,433.20

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Solution

The fourth proportional to 266,040,346.80, 399,060,520.20 and 175,266,433.20 is: 262,899,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,040,346.80 : 399,060,520.20 = 175,266,433.20 : x
  2. Step 2: Convert to fraction form
    266,040,346.80/399,060,520.20 = 175,266,433.20/x
  3. Step 3: Cross multiply
    266,040,346.80x = 399,060,520.20 × 175,266,433.20
  4. Step 4: Simplify right side
    266,040,346.80x = 69,941,914,006,390,544
  5. Step 5: Solve for x
    x = 69,941,914,006,390,544/266,040,346.80
  6. Step 6: Final answer
    x = 262,899,649.80

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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.