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Finding the Fourth Proportional to 108,613,791,968.40, 162,920,687,952.60 and 108,613,791,968.40

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Solution

The fourth proportional to 108,613,791,968.40, 162,920,687,952.60 and 108,613,791,968.40 is: 162,920,687,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,613,791,968.40 : 162,920,687,952.60 = 108,613,791,968.40 : x
  2. Step 2: Convert to fraction form
    108,613,791,968.40/162,920,687,952.60 = 108,613,791,968.40/x
  3. Step 3: Cross multiply
    108,613,791,968.40x = 162,920,687,952.60 × 108,613,791,968.40
  4. Step 4: Simplify right side
    108,613,791,968.40x = 17,695,433,708,632,308,449,280
  5. Step 5: Solve for x
    x = 17,695,433,708,632,308,449,280/108,613,791,968.40
  6. Step 6: Final answer
    x = 162,920,687,952.60

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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.