Home / 20,362,078,200.39-30,547,513,512.30-6,198,151,531.38

Finding the Fourth Proportional to 20,362,078,200.39, 30,547,513,512.30 and 6,198,151,531.38

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Solution

The fourth proportional to 20,362,078,200.39, 30,547,513,512.30 and 6,198,151,531.38 is: 9,298,565,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,078,200.39 : 30,547,513,512.30 = 6,198,151,531.38 : x
  2. Step 2: Convert to fraction form
    20,362,078,200.39/30,547,513,512.30 = 6,198,151,531.38/x
  3. Step 3: Cross multiply
    20,362,078,200.39x = 30,547,513,512.30 × 6,198,151,531.38
  4. Step 4: Simplify right side
    20,362,078,200.39x = 189,338,117,656,113,479,680
  5. Step 5: Solve for x
    x = 189,338,117,656,113,479,680/20,362,078,200.39
  6. Step 6: Final answer
    x = 9,298,565,489.87

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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.