Home / 324,489,706.32-486,734,561.10-78,845,079

Finding the Fourth Proportional to 324,489,706.32, 486,734,561.10 and 78,845,079

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Solution

The fourth proportional to 324,489,706.32, 486,734,561.10 and 78,845,079 is: 118,267,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,489,706.32 : 486,734,561.10 = 78,845,079 : x
  2. Step 2: Convert to fraction form
    324,489,706.32/486,734,561.10 = 78,845,079/x
  3. Step 3: Cross multiply
    324,489,706.32x = 486,734,561.10 × 78,845,079
  4. Step 4: Simplify right side
    324,489,706.32x = 38,376,624,921,959,832
  5. Step 5: Solve for x
    x = 38,376,624,921,959,832/324,489,706.32
  6. Step 6: Final answer
    x = 118,267,618.89

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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.