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Finding the Fourth Proportional to 883,062,015.40, 1,321,723,241.70 and 883,062,015.40

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Solution

The fourth proportional to 883,062,015.40, 1,321,723,241.70 and 883,062,015.40 is: 1,321,723,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,062,015.40 : 1,321,723,241.70 = 883,062,015.40 : x
  2. Step 2: Convert to fraction form
    883,062,015.40/1,321,723,241.70 = 883,062,015.40/x
  3. Step 3: Cross multiply
    883,062,015.40x = 1,321,723,241.70 × 883,062,015.40
  4. Step 4: Simplify right side
    883,062,015.40x = 1,167,163,589,616,623,360
  5. Step 5: Solve for x
    x = 1,167,163,589,616,623,360/883,062,015.40
  6. Step 6: Final answer
    x = 1,321,723,241.70

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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.