Home / 472,396,057.70-708,594,086.55-455,177,369.30

Finding the Fourth Proportional to 472,396,057.70, 708,594,086.55 and 455,177,369.30

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Solution

The fourth proportional to 472,396,057.70, 708,594,086.55 and 455,177,369.30 is: 682,766,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,057.70 : 708,594,086.55 = 455,177,369.30 : x
  2. Step 2: Convert to fraction form
    472,396,057.70/708,594,086.55 = 455,177,369.30/x
  3. Step 3: Cross multiply
    472,396,057.70x = 708,594,086.55 × 455,177,369.30
  4. Step 4: Simplify right side
    472,396,057.70x = 322,535,992,217,365,504
  5. Step 5: Solve for x
    x = 322,535,992,217,365,504/472,396,057.70
  6. Step 6: Final answer
    x = 682,766,053.95

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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.