Home / 12,819,482,404.74-17,690,989,591.41-7,103,862,304.02

Finding the Fourth Proportional to 12,819,482,404.74, 17,690,989,591.41 and 7,103,862,304.02

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Solution

The fourth proportional to 12,819,482,404.74, 17,690,989,591.41 and 7,103,862,304.02 is: 9,803,387,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,482,404.74 : 17,690,989,591.41 = 7,103,862,304.02 : x
  2. Step 2: Convert to fraction form
    12,819,482,404.74/17,690,989,591.41 = 7,103,862,304.02/x
  3. Step 3: Cross multiply
    12,819,482,404.74x = 17,690,989,591.41 × 7,103,862,304.02
  4. Step 4: Simplify right side
    12,819,482,404.74x = 125,674,354,079,227,691,008
  5. Step 5: Solve for x
    x = 125,674,354,079,227,691,008/12,819,482,404.74
  6. Step 6: Final answer
    x = 9,803,387,540.26

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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.