Home / 8,279,460,267.20-12,419,190,400.80-6,810,132,190.40

Finding the Fourth Proportional to 8,279,460,267.20, 12,419,190,400.80 and 6,810,132,190.40

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Solution

The fourth proportional to 8,279,460,267.20, 12,419,190,400.80 and 6,810,132,190.40 is: 10,215,198,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,460,267.20 : 12,419,190,400.80 = 6,810,132,190.40 : x
  2. Step 2: Convert to fraction form
    8,279,460,267.20/12,419,190,400.80 = 6,810,132,190.40/x
  3. Step 3: Cross multiply
    8,279,460,267.20x = 12,419,190,400.80 × 6,810,132,190.40
  4. Step 4: Simplify right side
    8,279,460,267.20x = 84,576,328,327,194,755,072
  5. Step 5: Solve for x
    x = 84,576,328,327,194,755,072/8,279,460,267.20
  6. Step 6: Final answer
    x = 10,215,198,285.60

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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.