Home / 266,040,344.30-399,060,516.45-175,266,430.70

Finding the Fourth Proportional to 266,040,344.30, 399,060,516.45 and 175,266,430.70

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Solution

The fourth proportional to 266,040,344.30, 399,060,516.45 and 175,266,430.70 is: 262,899,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,040,344.30 : 399,060,516.45 = 175,266,430.70 : x
  2. Step 2: Convert to fraction form
    266,040,344.30/399,060,516.45 = 175,266,430.70/x
  3. Step 3: Cross multiply
    266,040,344.30x = 399,060,516.45 × 175,266,430.70
  4. Step 4: Simplify right side
    266,040,344.30x = 69,941,912,351,490,128
  5. Step 5: Solve for x
    x = 69,941,912,351,490,128/266,040,344.30
  6. Step 6: Final answer
    x = 262,899,646.05

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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.