Home / 20,165,004,709.11-27,840,265,156.89-12,836,492,470.17

Finding the Fourth Proportional to 20,165,004,709.11, 27,840,265,156.89 and 12,836,492,470.17

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Solution

The fourth proportional to 20,165,004,709.11, 27,840,265,156.89 and 12,836,492,470.17 is: 17,722,354,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,004,709.11 : 27,840,265,156.89 = 12,836,492,470.17 : x
  2. Step 2: Convert to fraction form
    20,165,004,709.11/27,840,265,156.89 = 12,836,492,470.17/x
  3. Step 3: Cross multiply
    20,165,004,709.11x = 27,840,265,156.89 × 12,836,492,470.17
  4. Step 4: Simplify right side
    20,165,004,709.11x = 357,371,354,053,954,699,264
  5. Step 5: Solve for x
    x = 357,371,354,053,954,699,264/20,165,004,709.11
  6. Step 6: Final answer
    x = 17,722,354,108.48

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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.