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Finding the Fourth Proportional to 3,908,806,330.80, 5,863,209,496.20 and 3,908,806,330.80

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Solution

The fourth proportional to 3,908,806,330.80, 5,863,209,496.20 and 3,908,806,330.80 is: 5,863,209,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,806,330.80 : 5,863,209,496.20 = 3,908,806,330.80 : x
  2. Step 2: Convert to fraction form
    3,908,806,330.80/5,863,209,496.20 = 3,908,806,330.80/x
  3. Step 3: Cross multiply
    3,908,806,330.80x = 5,863,209,496.20 × 3,908,806,330.80
  4. Step 4: Simplify right side
    3,908,806,330.80x = 22,918,150,397,553,238,016
  5. Step 5: Solve for x
    x = 22,918,150,397,553,238,016/3,908,806,330.80
  6. Step 6: Final answer
    x = 5,863,209,496.20

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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.