Home / 10,891,988,332.32-15,037,883,948.88-8,889,599,855.30

Finding the Fourth Proportional to 10,891,988,332.32, 15,037,883,948.88 and 8,889,599,855.30

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Solution

The fourth proportional to 10,891,988,332.32, 15,037,883,948.88 and 8,889,599,855.30 is: 12,273,311,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,988,332.32 : 15,037,883,948.88 = 8,889,599,855.30 : x
  2. Step 2: Convert to fraction form
    10,891,988,332.32/15,037,883,948.88 = 8,889,599,855.30/x
  3. Step 3: Cross multiply
    10,891,988,332.32x = 15,037,883,948.88 × 8,889,599,855.30
  4. Step 4: Simplify right side
    10,891,988,332.32x = 133,680,770,975,981,813,760
  5. Step 5: Solve for x
    x = 133,680,770,975,981,813,760/10,891,988,332.32
  6. Step 6: Final answer
    x = 12,273,311,988.35

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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.