Home / 15,017,546,445.60-20,724,236,796.28-8,150,945,536.56

Finding the Fourth Proportional to 15,017,546,445.60, 20,724,236,796.28 and 8,150,945,536.56

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Solution

The fourth proportional to 15,017,546,445.60, 20,724,236,796.28 and 8,150,945,536.56 is: 11,248,317,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,546,445.60 : 20,724,236,796.28 = 8,150,945,536.56 : x
  2. Step 2: Convert to fraction form
    15,017,546,445.60/20,724,236,796.28 = 8,150,945,536.56/x
  3. Step 3: Cross multiply
    15,017,546,445.60x = 20,724,236,796.28 × 8,150,945,536.56
  4. Step 4: Simplify right side
    15,017,546,445.60x = 168,922,125,413,250,990,080
  5. Step 5: Solve for x
    x = 168,922,125,413,250,990,080/15,017,546,445.60
  6. Step 6: Final answer
    x = 11,248,317,161.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.