Home / 18,681,974,671.46-25,781,108,390.42-10,545,490,716.06

Finding the Fourth Proportional to 18,681,974,671.46, 25,781,108,390.42 and 10,545,490,716.06

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Solution

The fourth proportional to 18,681,974,671.46, 25,781,108,390.42 and 10,545,490,716.06 is: 14,552,767,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,974,671.46 : 25,781,108,390.42 = 10,545,490,716.06 : x
  2. Step 2: Convert to fraction form
    18,681,974,671.46/25,781,108,390.42 = 10,545,490,716.06/x
  3. Step 3: Cross multiply
    18,681,974,671.46x = 25,781,108,390.42 × 10,545,490,716.06
  4. Step 4: Simplify right side
    18,681,974,671.46x = 271,874,439,180,857,933,824
  5. Step 5: Solve for x
    x = 271,874,439,180,857,933,824/18,681,974,671.46
  6. Step 6: Final answer
    x = 14,552,767,786.17

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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.