Home / 8,065,659,790.80-12,098,489,686.20-4,578,875,389.80

Finding the Fourth Proportional to 8,065,659,790.80, 12,098,489,686.20 and 4,578,875,389.80

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Solution

The fourth proportional to 8,065,659,790.80, 12,098,489,686.20 and 4,578,875,389.80 is: 6,868,313,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,659,790.80 : 12,098,489,686.20 = 4,578,875,389.80 : x
  2. Step 2: Convert to fraction form
    8,065,659,790.80/12,098,489,686.20 = 4,578,875,389.80/x
  3. Step 3: Cross multiply
    8,065,659,790.80x = 12,098,489,686.20 × 4,578,875,389.80
  4. Step 4: Simplify right side
    8,065,659,790.80x = 55,397,476,677,890,310,144
  5. Step 5: Solve for x
    x = 55,397,476,677,890,310,144/8,065,659,790.80
  6. Step 6: Final answer
    x = 6,868,313,084.70

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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.