Home / 472,396,087.80-708,594,131.70-144,922,143.60

Finding the Fourth Proportional to 472,396,087.80, 708,594,131.70 and 144,922,143.60

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Solution

The fourth proportional to 472,396,087.80, 708,594,131.70 and 144,922,143.60 is: 217,383,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,087.80 : 708,594,131.70 = 144,922,143.60 : x
  2. Step 2: Convert to fraction form
    472,396,087.80/708,594,131.70 = 144,922,143.60/x
  3. Step 3: Cross multiply
    472,396,087.80x = 708,594,131.70 × 144,922,143.60
  4. Step 4: Simplify right side
    472,396,087.80x = 102,690,980,508,344,720
  5. Step 5: Solve for x
    x = 102,690,980,508,344,720/472,396,087.80
  6. Step 6: Final answer
    x = 217,383,215.40

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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.