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Finding the Fourth Proportional to 10,654,168,986.90, 15,981,253,480.35 and 10,654,168,986.90

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Solution

The fourth proportional to 10,654,168,986.90, 15,981,253,480.35 and 10,654,168,986.90 is: 15,981,253,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654,168,986.90 : 15,981,253,480.35 = 10,654,168,986.90 : x
  2. Step 2: Convert to fraction form
    10,654,168,986.90/15,981,253,480.35 = 10,654,168,986.90/x
  3. Step 3: Cross multiply
    10,654,168,986.90x = 15,981,253,480.35 × 10,654,168,986.90
  4. Step 4: Simplify right side
    10,654,168,986.90x = 170,266,975,202,132,656,128
  5. Step 5: Solve for x
    x = 170,266,975,202,132,656,128/10,654,168,986.90
  6. Step 6: Final answer
    x = 15,981,253,480.35

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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.