Home / 827,161,053.30-1,239,466,121.55-717,471,630.90

Finding the Fourth Proportional to 827,161,053.30, 1,239,466,121.55 and 717,471,630.90

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Solution

The fourth proportional to 827,161,053.30, 1,239,466,121.55 and 717,471,630.90 is: 1,075,101,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,161,053.30 : 1,239,466,121.55 = 717,471,630.90 : x
  2. Step 2: Convert to fraction form
    827,161,053.30/1,239,466,121.55 = 717,471,630.90/x
  3. Step 3: Cross multiply
    827,161,053.30x = 1,239,466,121.55 × 717,471,630.90
  4. Step 4: Simplify right side
    827,161,053.30x = 889,281,779,673,776,128
  5. Step 5: Solve for x
    x = 889,281,779,673,776,128/827,161,053.30
  6. Step 6: Final answer
    x = 1,075,101,125.86

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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.