Home / 399,543,642.36-599,316,234.46-154,015,899.26

Finding the Fourth Proportional to 399,543,642.36, 599,316,234.46 and 154,015,899.26

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Solution

The fourth proportional to 399,543,642.36, 599,316,234.46 and 154,015,899.26 is: 231,024,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,543,642.36 : 599,316,234.46 = 154,015,899.26 : x
  2. Step 2: Convert to fraction form
    399,543,642.36/599,316,234.46 = 154,015,899.26/x
  3. Step 3: Cross multiply
    399,543,642.36x = 599,316,234.46 × 154,015,899.26
  4. Step 4: Simplify right side
    399,543,642.36x = 92,304,228,788,092,272
  5. Step 5: Solve for x
    x = 92,304,228,788,092,272/399,543,642.36
  6. Step 6: Final answer
    x = 231,024,146.06

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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.