Home / 1,995,073,839.60-2,992,610,759.40-1,260,409,801.20

Finding the Fourth Proportional to 1,995,073,839.60, 2,992,610,759.40 and 1,260,409,801.20

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Solution

The fourth proportional to 1,995,073,839.60, 2,992,610,759.40 and 1,260,409,801.20 is: 1,890,614,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,073,839.60 : 2,992,610,759.40 = 1,260,409,801.20 : x
  2. Step 2: Convert to fraction form
    1,995,073,839.60/2,992,610,759.40 = 1,260,409,801.20/x
  3. Step 3: Cross multiply
    1,995,073,839.60x = 2,992,610,759.40 × 1,260,409,801.20
  4. Step 4: Simplify right side
    1,995,073,839.60x = 3,771,915,932,324,335,104
  5. Step 5: Solve for x
    x = 3,771,915,932,324,335,104/1,995,073,839.60
  6. Step 6: Final answer
    x = 1,890,614,701.80

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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.