Home / 1,753,668,639.20-2,420,062,521.33-1,048,820,507.61

Finding the Fourth Proportional to 1,753,668,639.20, 2,420,062,521.33 and 1,048,820,507.61

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Solution

The fourth proportional to 1,753,668,639.20, 2,420,062,521.33 and 1,048,820,507.61 is: 1,447,372,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,668,639.20 : 2,420,062,521.33 = 1,048,820,507.61 : x
  2. Step 2: Convert to fraction form
    1,753,668,639.20/2,420,062,521.33 = 1,048,820,507.61/x
  3. Step 3: Cross multiply
    1,753,668,639.20x = 2,420,062,521.33 × 1,048,820,507.61
  4. Step 4: Simplify right side
    1,753,668,639.20x = 2,538,211,202,069,266,944
  5. Step 5: Solve for x
    x = 2,538,211,202,069,266,944/1,753,668,639.20
  6. Step 6: Final answer
    x = 1,447,372,180.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.