Home / 10,453,363,247.20-15,680,044,870.80-8,086,112,456.80

Finding the Fourth Proportional to 10,453,363,247.20, 15,680,044,870.80 and 8,086,112,456.80

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Solution

The fourth proportional to 10,453,363,247.20, 15,680,044,870.80 and 8,086,112,456.80 is: 12,129,168,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453,363,247.20 : 15,680,044,870.80 = 8,086,112,456.80 : x
  2. Step 2: Convert to fraction form
    10,453,363,247.20/15,680,044,870.80 = 8,086,112,456.80/x
  3. Step 3: Cross multiply
    10,453,363,247.20x = 15,680,044,870.80 × 8,086,112,456.80
  4. Step 4: Simplify right side
    10,453,363,247.20x = 126,790,606,152,958,820,352
  5. Step 5: Solve for x
    x = 126,790,606,152,958,820,352/10,453,363,247.20
  6. Step 6: Final answer
    x = 12,129,168,685.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.