Home / 217,951,077,774.40-326,926,616,661.60-100,404,831,630.40

Finding the Fourth Proportional to 217,951,077,774.40, 326,926,616,661.60 and 100,404,831,630.40

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Solution

The fourth proportional to 217,951,077,774.40, 326,926,616,661.60 and 100,404,831,630.40 is: 150,607,247,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,951,077,774.40 : 326,926,616,661.60 = 100,404,831,630.40 : x
  2. Step 2: Convert to fraction form
    217,951,077,774.40/326,926,616,661.60 = 100,404,831,630.40/x
  3. Step 3: Cross multiply
    217,951,077,774.40x = 326,926,616,661.60 × 100,404,831,630.40
  4. Step 4: Simplify right side
    217,951,077,774.40x = 32,825,011,901,404,268,199,936
  5. Step 5: Solve for x
    x = 32,825,011,901,404,268,199,936/217,951,077,774.40
  6. Step 6: Final answer
    x = 150,607,247,445.60

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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.