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Finding the Fourth Proportional to 1,120,324,962.70, 1,570,750,772.90 and 1,120,324,962.70

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Solution

The fourth proportional to 1,120,324,962.70, 1,570,750,772.90 and 1,120,324,962.70 is: 1,570,750,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,324,962.70 : 1,570,750,772.90 = 1,120,324,962.70 : x
  2. Step 2: Convert to fraction form
    1,120,324,962.70/1,570,750,772.90 = 1,120,324,962.70/x
  3. Step 3: Cross multiply
    1,120,324,962.70x = 1,570,750,772.90 × 1,120,324,962.70
  4. Step 4: Simplify right side
    1,120,324,962.70x = 1,759,751,301,060,188,928
  5. Step 5: Solve for x
    x = 1,759,751,301,060,188,928/1,120,324,962.70
  6. Step 6: Final answer
    x = 1,570,750,772.90

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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.