Home / 979,803,010.80-1,469,704,516.20-252,791,722.80

Finding the Fourth Proportional to 979,803,010.80, 1,469,704,516.20 and 252,791,722.80

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Solution

The fourth proportional to 979,803,010.80, 1,469,704,516.20 and 252,791,722.80 is: 379,187,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,803,010.80 : 1,469,704,516.20 = 252,791,722.80 : x
  2. Step 2: Convert to fraction form
    979,803,010.80/1,469,704,516.20 = 252,791,722.80/x
  3. Step 3: Cross multiply
    979,803,010.80x = 1,469,704,516.20 × 252,791,722.80
  4. Step 4: Simplify right side
    979,803,010.80x = 371,529,136,657,138,560
  5. Step 5: Solve for x
    x = 371,529,136,657,138,560/979,803,010.80
  6. Step 6: Final answer
    x = 379,187,584.20

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Double scale
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Similar ratio
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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.