Home / 469,007,999.70-703,511,999.55-399,471,897.30

Finding the Fourth Proportional to 469,007,999.70, 703,511,999.55 and 399,471,897.30

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Solution

The fourth proportional to 469,007,999.70, 703,511,999.55 and 399,471,897.30 is: 599,207,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,007,999.70 : 703,511,999.55 = 399,471,897.30 : x
  2. Step 2: Convert to fraction form
    469,007,999.70/703,511,999.55 = 399,471,897.30/x
  3. Step 3: Cross multiply
    469,007,999.70x = 703,511,999.55 × 399,471,897.30
  4. Step 4: Simplify right side
    469,007,999.70x = 281,033,273,233,555,232
  5. Step 5: Solve for x
    x = 281,033,273,233,555,232/469,007,999.70
  6. Step 6: Final answer
    x = 599,207,845.95

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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.