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Finding the Fourth Proportional to 950,941,873.80, 1,328,597,645.40 and 950,941,873.80

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Solution

The fourth proportional to 950,941,873.80, 1,328,597,645.40 and 950,941,873.80 is: 1,328,597,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,941,873.80 : 1,328,597,645.40 = 950,941,873.80 : x
  2. Step 2: Convert to fraction form
    950,941,873.80/1,328,597,645.40 = 950,941,873.80/x
  3. Step 3: Cross multiply
    950,941,873.80x = 1,328,597,645.40 × 950,941,873.80
  4. Step 4: Simplify right side
    950,941,873.80x = 1,263,419,134,442,944,000
  5. Step 5: Solve for x
    x = 1,263,419,134,442,944,000/950,941,873.80
  6. Step 6: Final answer
    x = 1,328,597,645.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.