Home / 12,109,372,715.40-18,164,059,073.10-8,844,199,211.40

Finding the Fourth Proportional to 12,109,372,715.40, 18,164,059,073.10 and 8,844,199,211.40

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Solution

The fourth proportional to 12,109,372,715.40, 18,164,059,073.10 and 8,844,199,211.40 is: 13,266,298,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,372,715.40 : 18,164,059,073.10 = 8,844,199,211.40 : x
  2. Step 2: Convert to fraction form
    12,109,372,715.40/18,164,059,073.10 = 8,844,199,211.40/x
  3. Step 3: Cross multiply
    12,109,372,715.40x = 18,164,059,073.10 × 8,844,199,211.40
  4. Step 4: Simplify right side
    12,109,372,715.40x = 160,646,556,930,134,016,000
  5. Step 5: Solve for x
    x = 160,646,556,930,134,016,000/12,109,372,715.40
  6. Step 6: Final answer
    x = 13,266,298,817.10

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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.