Home / 3,985,838,305.30-5,980,458,069.15-1,914,493,863.70

Finding the Fourth Proportional to 3,985,838,305.30, 5,980,458,069.15 and 1,914,493,863.70

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Solution

The fourth proportional to 3,985,838,305.30, 5,980,458,069.15 and 1,914,493,863.70 is: 2,872,557,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,838,305.30 : 5,980,458,069.15 = 1,914,493,863.70 : x
  2. Step 2: Convert to fraction form
    3,985,838,305.30/5,980,458,069.15 = 1,914,493,863.70/x
  3. Step 3: Cross multiply
    3,985,838,305.30x = 5,980,458,069.15 × 1,914,493,863.70
  4. Step 4: Simplify right side
    3,985,838,305.30x = 11,449,550,275,502,825,472
  5. Step 5: Solve for x
    x = 11,449,550,275,502,825,472/3,985,838,305.30
  6. Step 6: Final answer
    x = 2,872,557,639.95

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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.