Home / 18,701,040,047.17-25,807,449,178.86-10,127,533,238.85

Finding the Fourth Proportional to 18,701,040,047.17, 25,807,449,178.86 and 10,127,533,238.85

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Solution

The fourth proportional to 18,701,040,047.17, 25,807,449,178.86 and 10,127,533,238.85 is: 13,976,003,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,040,047.17 : 25,807,449,178.86 = 10,127,533,238.85 : x
  2. Step 2: Convert to fraction form
    18,701,040,047.17/25,807,449,178.86 = 10,127,533,238.85/x
  3. Step 3: Cross multiply
    18,701,040,047.17x = 25,807,449,178.86 × 10,127,533,238.85
  4. Step 4: Simplify right side
    18,701,040,047.17x = 261,365,799,368,786,149,376
  5. Step 5: Solve for x
    x = 261,365,799,368,786,149,376/18,701,040,047.17
  6. Step 6: Final answer
    x = 13,976,003,404.60

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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.