Home / 486,146,809.44-729,222,084.05-117,681,158.79

Finding the Fourth Proportional to 486,146,809.44, 729,222,084.05 and 117,681,158.79

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Solution

The fourth proportional to 486,146,809.44, 729,222,084.05 and 117,681,158.79 is: 176,522,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,146,809.44 : 729,222,084.05 = 117,681,158.79 : x
  2. Step 2: Convert to fraction form
    486,146,809.44/729,222,084.05 = 117,681,158.79/x
  3. Step 3: Cross multiply
    486,146,809.44x = 729,222,084.05 × 117,681,158.79
  4. Step 4: Simplify right side
    486,146,809.44x = 85,815,699,865,674,368
  5. Step 5: Solve for x
    x = 85,815,699,865,674,368/486,146,809.44
  6. Step 6: Final answer
    x = 176,522,190.83

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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.