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Finding the Fourth Proportional to 996,458,347.05, 1,494,687,520.58 and 996,458,347.05

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Solution

The fourth proportional to 996,458,347.05, 1,494,687,520.58 and 996,458,347.05 is: 1,494,687,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,458,347.05 : 1,494,687,520.58 = 996,458,347.05 : x
  2. Step 2: Convert to fraction form
    996,458,347.05/1,494,687,520.58 = 996,458,347.05/x
  3. Step 3: Cross multiply
    996,458,347.05x = 1,494,687,520.58 × 996,458,347.05
  4. Step 4: Simplify right side
    996,458,347.05x = 1,489,393,856,108,427,264
  5. Step 5: Solve for x
    x = 1,489,393,856,108,427,264/996,458,347.05
  6. Step 6: Final answer
    x = 1,494,687,520.58

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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.