Home / 827,457,443.20-1,241,186,164.80-282,216,764.80

Finding the Fourth Proportional to 827,457,443.20, 1,241,186,164.80 and 282,216,764.80

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Solution

The fourth proportional to 827,457,443.20, 1,241,186,164.80 and 282,216,764.80 is: 423,325,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,457,443.20 : 1,241,186,164.80 = 282,216,764.80 : x
  2. Step 2: Convert to fraction form
    827,457,443.20/1,241,186,164.80 = 282,216,764.80/x
  3. Step 3: Cross multiply
    827,457,443.20x = 1,241,186,164.80 × 282,216,764.80
  4. Step 4: Simplify right side
    827,457,443.20x = 350,283,543,944,375,616
  5. Step 5: Solve for x
    x = 350,283,543,944,375,616/827,457,443.20
  6. Step 6: Final answer
    x = 423,325,147.20

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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.