Home / 20,170,154,480.40-30,255,231,720.60-6,196,471,398.45

Finding the Fourth Proportional to 20,170,154,480.40, 30,255,231,720.60 and 6,196,471,398.45

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Solution

The fourth proportional to 20,170,154,480.40, 30,255,231,720.60 and 6,196,471,398.45 is: 9,294,707,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170,154,480.40 : 30,255,231,720.60 = 6,196,471,398.45 : x
  2. Step 2: Convert to fraction form
    20,170,154,480.40/30,255,231,720.60 = 6,196,471,398.45/x
  3. Step 3: Cross multiply
    20,170,154,480.40x = 30,255,231,720.60 × 6,196,471,398.45
  4. Step 4: Simplify right side
    20,170,154,480.40x = 187,475,678,010,175,062,016
  5. Step 5: Solve for x
    x = 187,475,678,010,175,062,016/20,170,154,480.40
  6. Step 6: Final answer
    x = 9,294,707,097.68

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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.