Home / 711,522,531.20-1,067,467,809-416,666,664.11

Finding the Fourth Proportional to 711,522,531.20, 1,067,467,809 and 416,666,664.11

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Solution

The fourth proportional to 711,522,531.20, 1,067,467,809 and 416,666,664.11 is: 625,107,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,522,531.20 : 1,067,467,809 = 416,666,664.11 : x
  2. Step 2: Convert to fraction form
    711,522,531.20/1,067,467,809 = 416,666,664.11/x
  3. Step 3: Cross multiply
    711,522,531.20x = 1,067,467,809 × 416,666,664.11
  4. Step 4: Simplify right side
    711,522,531.20x = 444,778,251,020,840,640
  5. Step 5: Solve for x
    x = 444,778,251,020,840,640/711,522,531.20
  6. Step 6: Final answer
    x = 625,107,753.47

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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.