Home / 12,819,482,220.14-17,690,989,335.92-7,103,862,119.09

Finding the Fourth Proportional to 12,819,482,220.14, 17,690,989,335.92 and 7,103,862,119.09

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Solution

The fourth proportional to 12,819,482,220.14, 17,690,989,335.92 and 7,103,862,119.09 is: 9,803,387,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,482,220.14 : 17,690,989,335.92 = 7,103,862,119.09 : x
  2. Step 2: Convert to fraction form
    12,819,482,220.14/17,690,989,335.92 = 7,103,862,119.09/x
  3. Step 3: Cross multiply
    12,819,482,220.14x = 17,690,989,335.92 × 7,103,862,119.09
  4. Step 4: Simplify right side
    12,819,482,220.14x = 125,674,348,992,543,277,056
  5. Step 5: Solve for x
    x = 125,674,348,992,543,277,056/12,819,482,220.14
  6. Step 6: Final answer
    x = 9,803,387,284.64

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Double scale
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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.