Home / 11,889,747,138.70-17,834,620,708.05-3,608,620,900.30

Finding the Fourth Proportional to 11,889,747,138.70, 17,834,620,708.05 and 3,608,620,900.30

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Solution

The fourth proportional to 11,889,747,138.70, 17,834,620,708.05 and 3,608,620,900.30 is: 5,412,931,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,747,138.70 : 17,834,620,708.05 = 3,608,620,900.30 : x
  2. Step 2: Convert to fraction form
    11,889,747,138.70/17,834,620,708.05 = 3,608,620,900.30/x
  3. Step 3: Cross multiply
    11,889,747,138.70x = 17,834,620,708.05 × 3,608,620,900.30
  4. Step 4: Simplify right side
    11,889,747,138.70x = 64,358,385,035,992,416,256
  5. Step 5: Solve for x
    x = 64,358,385,035,992,416,256/11,889,747,138.70
  6. Step 6: Final answer
    x = 5,412,931,350.45

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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.