Home / 18,563,128,690.92-25,617,120,356.90-10,105,016,678.12

Finding the Fourth Proportional to 18,563,128,690.92, 25,617,120,356.90 and 10,105,016,678.12

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Solution

The fourth proportional to 18,563,128,690.92, 25,617,120,356.90 and 10,105,016,678.12 is: 13,944,924,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563,128,690.92 : 25,617,120,356.90 = 10,105,016,678.12 : x
  2. Step 2: Convert to fraction form
    18,563,128,690.92/25,617,120,356.90 = 10,105,016,678.12/x
  3. Step 3: Cross multiply
    18,563,128,690.92x = 25,617,120,356.90 × 10,105,016,678.12
  4. Step 4: Simplify right side
    18,563,128,690.92x = 258,861,428,451,881,910,272
  5. Step 5: Solve for x
    x = 258,861,428,451,881,910,272/18,563,128,690.92
  6. Step 6: Final answer
    x = 13,944,924,520.11

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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.