Home / 827,169,515.70-1,240,754,273.55-367,154,186.10

Finding the Fourth Proportional to 827,169,515.70, 1,240,754,273.55 and 367,154,186.10

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Solution

The fourth proportional to 827,169,515.70, 1,240,754,273.55 and 367,154,186.10 is: 550,731,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,169,515.70 : 1,240,754,273.55 = 367,154,186.10 : x
  2. Step 2: Convert to fraction form
    827,169,515.70/1,240,754,273.55 = 367,154,186.10/x
  3. Step 3: Cross multiply
    827,169,515.70x = 1,240,754,273.55 × 367,154,186.10
  4. Step 4: Simplify right side
    827,169,515.70x = 455,548,125,455,347,008
  5. Step 5: Solve for x
    x = 455,548,125,455,347,008/827,169,515.70
  6. Step 6: Final answer
    x = 550,731,279.15

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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.