Home / 13,663,386,251.10-20,495,079,376.65-8,148,870,999.90

Finding the Fourth Proportional to 13,663,386,251.10, 20,495,079,376.65 and 8,148,870,999.90

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Solution

The fourth proportional to 13,663,386,251.10, 20,495,079,376.65 and 8,148,870,999.90 is: 12,223,306,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663,386,251.10 : 20,495,079,376.65 = 8,148,870,999.90 : x
  2. Step 2: Convert to fraction form
    13,663,386,251.10/20,495,079,376.65 = 8,148,870,999.90/x
  3. Step 3: Cross multiply
    13,663,386,251.10x = 20,495,079,376.65 × 8,148,870,999.90
  4. Step 4: Simplify right side
    13,663,386,251.10x = 167,011,757,973,031,747,584
  5. Step 5: Solve for x
    x = 167,011,757,973,031,747,584/13,663,386,251.10
  6. Step 6: Final answer
    x = 12,223,306,499.85

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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.