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Finding the Fourth Proportional to 9,613,820,086.20, 14,420,730,129.30 and 9,613,820,086.20

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Solution

The fourth proportional to 9,613,820,086.20, 14,420,730,129.30 and 9,613,820,086.20 is: 14,420,730,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613,820,086.20 : 14,420,730,129.30 = 9,613,820,086.20 : x
  2. Step 2: Convert to fraction form
    9,613,820,086.20/14,420,730,129.30 = 9,613,820,086.20/x
  3. Step 3: Cross multiply
    9,613,820,086.20x = 14,420,730,129.30 × 9,613,820,086.20
  4. Step 4: Simplify right side
    9,613,820,086.20x = 138,638,304,974,733,869,056
  5. Step 5: Solve for x
    x = 138,638,304,974,733,869,056/9,613,820,086.20
  6. Step 6: Final answer
    x = 14,420,730,129.30

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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.