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Finding the Fourth Proportional to 996,242,638.60, 1,491,676,572.30 and 996,242,638.60

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Solution

The fourth proportional to 996,242,638.60, 1,491,676,572.30 and 996,242,638.60 is: 1,491,676,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,242,638.60 : 1,491,676,572.30 = 996,242,638.60 : x
  2. Step 2: Convert to fraction form
    996,242,638.60/1,491,676,572.30 = 996,242,638.60/x
  3. Step 3: Cross multiply
    996,242,638.60x = 1,491,676,572.30 × 996,242,638.60
  4. Step 4: Simplify right side
    996,242,638.60x = 1,486,071,804,325,955,584
  5. Step 5: Solve for x
    x = 1,486,071,804,325,955,584/996,242,638.60
  6. Step 6: Final answer
    x = 1,491,676,572.30

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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.