Home / 70,407,062,588.64-105,611,247,615.54-20,042,494,613.64

Finding the Fourth Proportional to 70,407,062,588.64, 105,611,247,615.54 and 20,042,494,613.64

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Solution

The fourth proportional to 70,407,062,588.64, 105,611,247,615.54 and 20,042,494,613.64 is: 30,063,928,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,407,062,588.64 : 105,611,247,615.54 = 20,042,494,613.64 : x
  2. Step 2: Convert to fraction form
    70,407,062,588.64/105,611,247,615.54 = 20,042,494,613.64/x
  3. Step 3: Cross multiply
    70,407,062,588.64x = 105,611,247,615.54 × 20,042,494,613.64
  4. Step 4: Simplify right side
    70,407,062,588.64x = 2,116,712,861,474,260,516,864
  5. Step 5: Solve for x
    x = 2,116,712,861,474,260,516,864/70,407,062,588.64
  6. Step 6: Final answer
    x = 30,063,928,015.88

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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.