Home / 1,422,750,402.87-1,963,353,387.44-787,699,198.04

Finding the Fourth Proportional to 1,422,750,402.87, 1,963,353,387.44 and 787,699,198.04

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Solution

The fourth proportional to 1,422,750,402.87, 1,963,353,387.44 and 787,699,198.04 is: 1,087,001,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,750,402.87 : 1,963,353,387.44 = 787,699,198.04 : x
  2. Step 2: Convert to fraction form
    1,422,750,402.87/1,963,353,387.44 = 787,699,198.04/x
  3. Step 3: Cross multiply
    1,422,750,402.87x = 1,963,353,387.44 × 787,699,198.04
  4. Step 4: Simplify right side
    1,422,750,402.87x = 1,546,531,888,741,850,112
  5. Step 5: Solve for x
    x = 1,546,531,888,741,850,112/1,422,750,402.87
  6. Step 6: Final answer
    x = 1,087,001,546.88

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1.5x scale

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.