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Finding the Fourth Proportional to 701,402,286.30, 984,113,109.30 and 701,402,286.30

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Solution

The fourth proportional to 701,402,286.30, 984,113,109.30 and 701,402,286.30 is: 984,113,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,402,286.30 : 984,113,109.30 = 701,402,286.30 : x
  2. Step 2: Convert to fraction form
    701,402,286.30/984,113,109.30 = 701,402,286.30/x
  3. Step 3: Cross multiply
    701,402,286.30x = 984,113,109.30 × 701,402,286.30
  4. Step 4: Simplify right side
    701,402,286.30x = 690,259,184,840,821,760
  5. Step 5: Solve for x
    x = 690,259,184,840,821,760/701,402,286.30
  6. Step 6: Final answer
    x = 984,113,109.30

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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.