Home / 12,061,805,904.20-18,092,708,856.30-8,962,441,992.20

Finding the Fourth Proportional to 12,061,805,904.20, 18,092,708,856.30 and 8,962,441,992.20

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Solution

The fourth proportional to 12,061,805,904.20, 18,092,708,856.30 and 8,962,441,992.20 is: 13,443,662,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,805,904.20 : 18,092,708,856.30 = 8,962,441,992.20 : x
  2. Step 2: Convert to fraction form
    12,061,805,904.20/18,092,708,856.30 = 8,962,441,992.20/x
  3. Step 3: Cross multiply
    12,061,805,904.20x = 18,092,708,856.30 × 8,962,441,992.20
  4. Step 4: Simplify right side
    12,061,805,904.20x = 162,154,853,606,351,962,112
  5. Step 5: Solve for x
    x = 162,154,853,606,351,962,112/12,061,805,904.20
  6. Step 6: Final answer
    x = 13,443,662,988.30

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Double scale
Find fourth proportional to 12,061,805,905.20, 18,092,708,857.80 and 8,962,441,993.20
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.