Home / 1,992,816,052.20-2,989,224,078.30-887,418,772.20

Finding the Fourth Proportional to 1,992,816,052.20, 2,989,224,078.30 and 887,418,772.20

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Solution

The fourth proportional to 1,992,816,052.20, 2,989,224,078.30 and 887,418,772.20 is: 1,331,128,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,816,052.20 : 2,989,224,078.30 = 887,418,772.20 : x
  2. Step 2: Convert to fraction form
    1,992,816,052.20/2,989,224,078.30 = 887,418,772.20/x
  3. Step 3: Cross multiply
    1,992,816,052.20x = 2,989,224,078.30 × 887,418,772.20
  4. Step 4: Simplify right side
    1,992,816,052.20x = 2,652,693,561,395,662,848
  5. Step 5: Solve for x
    x = 2,652,693,561,395,662,848/1,992,816,052.20
  6. Step 6: Final answer
    x = 1,331,128,158.30

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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.