Home / 1,876,620,772.28-2,798,351,001.12-1,859,777,061.21

Finding the Fourth Proportional to 1,876,620,772.28, 2,798,351,001.12 and 1,859,777,061.21

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Solution

The fourth proportional to 1,876,620,772.28, 2,798,351,001.12 and 1,859,777,061.21 is: 2,773,234,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,620,772.28 : 2,798,351,001.12 = 1,859,777,061.21 : x
  2. Step 2: Convert to fraction form
    1,876,620,772.28/2,798,351,001.12 = 1,859,777,061.21/x
  3. Step 3: Cross multiply
    1,876,620,772.28x = 2,798,351,001.12 × 1,859,777,061.21
  4. Step 4: Simplify right side
    1,876,620,772.28x = 5,204,309,001,096,340,480
  5. Step 5: Solve for x
    x = 5,204,309,001,096,340,480/1,876,620,772.28
  6. Step 6: Final answer
    x = 2,773,234,250.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.