Home / 26,306,474,516.20-39,459,711,774.30-12,359,336,912.20

Finding the Fourth Proportional to 26,306,474,516.20, 39,459,711,774.30 and 12,359,336,912.20

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Solution

The fourth proportional to 26,306,474,516.20, 39,459,711,774.30 and 12,359,336,912.20 is: 18,539,005,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306,474,516.20 : 39,459,711,774.30 = 12,359,336,912.20 : x
  2. Step 2: Convert to fraction form
    26,306,474,516.20/39,459,711,774.30 = 12,359,336,912.20/x
  3. Step 3: Cross multiply
    26,306,474,516.20x = 39,459,711,774.30 × 12,359,336,912.20
  4. Step 4: Simplify right side
    26,306,474,516.20x = 487,695,872,276,878,983,168
  5. Step 5: Solve for x
    x = 487,695,872,276,878,983,168/26,306,474,516.20
  6. Step 6: Final answer
    x = 18,539,005,368.30

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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.