Home / 487,974,956.80-731,957,769.60-119,511,529.60

Finding the Fourth Proportional to 487,974,956.80, 731,957,769.60 and 119,511,529.60

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Solution

The fourth proportional to 487,974,956.80, 731,957,769.60 and 119,511,529.60 is: 179,266,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,974,956.80 : 731,957,769.60 = 119,511,529.60 : x
  2. Step 2: Convert to fraction form
    487,974,956.80/731,957,769.60 = 119,511,529.60/x
  3. Step 3: Cross multiply
    487,974,956.80x = 731,957,769.60 × 119,511,529.60
  4. Step 4: Simplify right side
    487,974,956.80x = 87,477,392,647,500,384
  5. Step 5: Solve for x
    x = 87,477,392,647,500,384/487,974,956.80
  6. Step 6: Final answer
    x = 179,266,151.73

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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.