Home / 12,107,353,515.40-18,161,030,273.10-11,061,318,195.10

Finding the Fourth Proportional to 12,107,353,515.40, 18,161,030,273.10 and 11,061,318,195.10

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Solution

The fourth proportional to 12,107,353,515.40, 18,161,030,273.10 and 11,061,318,195.10 is: 16,591,977,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107,353,515.40 : 18,161,030,273.10 = 11,061,318,195.10 : x
  2. Step 2: Convert to fraction form
    12,107,353,515.40/18,161,030,273.10 = 11,061,318,195.10/x
  3. Step 3: Cross multiply
    12,107,353,515.40x = 18,161,030,273.10 × 11,061,318,195.10
  4. Step 4: Simplify right side
    12,107,353,515.40x = 200,884,934,601,602,957,312
  5. Step 5: Solve for x
    x = 200,884,934,601,602,957,312/12,107,353,515.40
  6. Step 6: Final answer
    x = 16,591,977,292.65

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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.