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Finding the Fourth Proportional to 747,953,999.73, 1,121,930,999.60 and 747,953,999.73

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Solution

The fourth proportional to 747,953,999.73, 1,121,930,999.60 and 747,953,999.73 is: 1,121,930,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,953,999.73 : 1,121,930,999.60 = 747,953,999.73 : x
  2. Step 2: Convert to fraction form
    747,953,999.73/1,121,930,999.60 = 747,953,999.73/x
  3. Step 3: Cross multiply
    747,953,999.73x = 1,121,930,999.60 × 747,953,999.73
  4. Step 4: Simplify right side
    747,953,999.73x = 839,152,778,568,157,312
  5. Step 5: Solve for x
    x = 839,152,778,568,157,312/747,953,999.73
  6. Step 6: Final answer
    x = 1,121,930,999.60

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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.