Home / 8,087,820,163.70-12,131,730,245.55-6,618,492,086.90

Finding the Fourth Proportional to 8,087,820,163.70, 12,131,730,245.55 and 6,618,492,086.90

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Solution

The fourth proportional to 8,087,820,163.70, 12,131,730,245.55 and 6,618,492,086.90 is: 9,927,738,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,820,163.70 : 12,131,730,245.55 = 6,618,492,086.90 : x
  2. Step 2: Convert to fraction form
    8,087,820,163.70/12,131,730,245.55 = 6,618,492,086.90/x
  3. Step 3: Cross multiply
    8,087,820,163.70x = 12,131,730,245.55 × 6,618,492,086.90
  4. Step 4: Simplify right side
    8,087,820,163.70x = 80,293,760,630,578,053,120
  5. Step 5: Solve for x
    x = 80,293,760,630,578,053,120/8,087,820,163.70
  6. Step 6: Final answer
    x = 9,927,738,130.35

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Double scale
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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.