Home / 853,187,245.74-1,279,780,868.78-239,771,471.50

Finding the Fourth Proportional to 853,187,245.74, 1,279,780,868.78 and 239,771,471.50

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Solution

The fourth proportional to 853,187,245.74, 1,279,780,868.78 and 239,771,471.50 is: 359,657,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,187,245.74 : 1,279,780,868.78 = 239,771,471.50 : x
  2. Step 2: Convert to fraction form
    853,187,245.74/1,279,780,868.78 = 239,771,471.50/x
  3. Step 3: Cross multiply
    853,187,245.74x = 1,279,780,868.78 × 239,771,471.50
  4. Step 4: Simplify right side
    853,187,245.74x = 306,854,942,104,929,024
  5. Step 5: Solve for x
    x = 306,854,942,104,929,024/853,187,245.74
  6. Step 6: Final answer
    x = 359,657,207.30

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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.