Home / 12,819,482,226.17-17,690,989,344.20-7,103,862,125.12

Finding the Fourth Proportional to 12,819,482,226.17, 17,690,989,344.20 and 7,103,862,125.12

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Solution

The fourth proportional to 12,819,482,226.17, 17,690,989,344.20 and 7,103,862,125.12 is: 9,803,387,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,482,226.17 : 17,690,989,344.20 = 7,103,862,125.12 : x
  2. Step 2: Convert to fraction form
    12,819,482,226.17/17,690,989,344.20 = 7,103,862,125.12/x
  3. Step 3: Cross multiply
    12,819,482,226.17x = 17,690,989,344.20 × 7,103,862,125.12
  4. Step 4: Simplify right side
    12,819,482,226.17x = 125,674,349,158,128,369,664
  5. Step 5: Solve for x
    x = 125,674,349,158,128,369,664/12,819,482,226.17
  6. Step 6: Final answer
    x = 9,803,387,292.94

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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.