Home / 345,095,999.70-517,643,999.55-268,001,625.30

Finding the Fourth Proportional to 345,095,999.70, 517,643,999.55 and 268,001,625.30

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Solution

The fourth proportional to 345,095,999.70, 517,643,999.55 and 268,001,625.30 is: 402,002,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,095,999.70 : 517,643,999.55 = 268,001,625.30 : x
  2. Step 2: Convert to fraction form
    345,095,999.70/517,643,999.55 = 268,001,625.30/x
  3. Step 3: Cross multiply
    345,095,999.70x = 517,643,999.55 × 268,001,625.30
  4. Step 4: Simplify right side
    345,095,999.70x = 138,729,433,206,192,480
  5. Step 5: Solve for x
    x = 138,729,433,206,192,480/345,095,999.70
  6. Step 6: Final answer
    x = 402,002,437.95

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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.