Home / 704,770,400.40-1,057,155,600.60-220,145,197.20

Finding the Fourth Proportional to 704,770,400.40, 1,057,155,600.60 and 220,145,197.20

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Solution

The fourth proportional to 704,770,400.40, 1,057,155,600.60 and 220,145,197.20 is: 330,217,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,770,400.40 : 1,057,155,600.60 = 220,145,197.20 : x
  2. Step 2: Convert to fraction form
    704,770,400.40/1,057,155,600.60 = 220,145,197.20/x
  3. Step 3: Cross multiply
    704,770,400.40x = 1,057,155,600.60 × 220,145,197.20
  4. Step 4: Simplify right side
    704,770,400.40x = 232,727,728,165,171,424
  5. Step 5: Solve for x
    x = 232,727,728,165,171,424/704,770,400.40
  6. Step 6: Final answer
    x = 330,217,795.80

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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.