Home / 10,891,988,327.30-15,037,883,941.97-8,889,599,850.30

Finding the Fourth Proportional to 10,891,988,327.30, 15,037,883,941.97 and 8,889,599,850.30

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Solution

The fourth proportional to 10,891,988,327.30, 15,037,883,941.97 and 8,889,599,850.30 is: 12,273,311,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,988,327.30 : 15,037,883,941.97 = 8,889,599,850.30 : x
  2. Step 2: Convert to fraction form
    10,891,988,327.30/15,037,883,941.97 = 8,889,599,850.30/x
  3. Step 3: Cross multiply
    10,891,988,327.30x = 15,037,883,941.97 × 8,889,599,850.30
  4. Step 4: Simplify right side
    10,891,988,327.30x = 133,680,770,839,383,048,192
  5. Step 5: Solve for x
    x = 133,680,770,839,383,048,192/10,891,988,327.30
  6. Step 6: Final answer
    x = 12,273,311,981.47

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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.