Home / 8,087,560,999.20-12,131,341,498.80-5,281,930,432.80

Finding the Fourth Proportional to 8,087,560,999.20, 12,131,341,498.80 and 5,281,930,432.80

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Solution

The fourth proportional to 8,087,560,999.20, 12,131,341,498.80 and 5,281,930,432.80 is: 7,922,895,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,560,999.20 : 12,131,341,498.80 = 5,281,930,432.80 : x
  2. Step 2: Convert to fraction form
    8,087,560,999.20/12,131,341,498.80 = 5,281,930,432.80/x
  3. Step 3: Cross multiply
    8,087,560,999.20x = 12,131,341,498.80 × 5,281,930,432.80
  4. Step 4: Simplify right side
    8,087,560,999.20x = 64,076,901,853,201,285,120
  5. Step 5: Solve for x
    x = 64,076,901,853,201,285,120/8,087,560,999.20
  6. Step 6: Final answer
    x = 7,922,895,649.20

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Double scale
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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.