Home / 266,040,341.80-399,060,512.70-175,266,428.20

Finding the Fourth Proportional to 266,040,341.80, 399,060,512.70 and 175,266,428.20

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Solution

The fourth proportional to 266,040,341.80, 399,060,512.70 and 175,266,428.20 is: 262,899,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,040,341.80 : 399,060,512.70 = 175,266,428.20 : x
  2. Step 2: Convert to fraction form
    266,040,341.80/399,060,512.70 = 175,266,428.20/x
  3. Step 3: Cross multiply
    266,040,341.80x = 399,060,512.70 × 175,266,428.20
  4. Step 4: Simplify right side
    266,040,341.80x = 69,941,910,696,589,728
  5. Step 5: Solve for x
    x = 69,941,910,696,589,728/266,040,341.80
  6. Step 6: Final answer
    x = 262,899,642.30

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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.