Home / 12,127,711,205.90-18,191,566,808.85-2,936,852,453.90

Finding the Fourth Proportional to 12,127,711,205.90, 18,191,566,808.85 and 2,936,852,453.90

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Solution

The fourth proportional to 12,127,711,205.90, 18,191,566,808.85 and 2,936,852,453.90 is: 4,405,278,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,711,205.90 : 18,191,566,808.85 = 2,936,852,453.90 : x
  2. Step 2: Convert to fraction form
    12,127,711,205.90/18,191,566,808.85 = 2,936,852,453.90/x
  3. Step 3: Cross multiply
    12,127,711,205.90x = 18,191,566,808.85 × 2,936,852,453.90
  4. Step 4: Simplify right side
    12,127,711,205.90x = 53,425,947,622,856,908,800
  5. Step 5: Solve for x
    x = 53,425,947,622,856,908,800/12,127,711,205.90
  6. Step 6: Final answer
    x = 4,405,278,680.85

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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.