Home / 472,836,550.54-708,639,625.76-192,390,635.24

Finding the Fourth Proportional to 472,836,550.54, 708,639,625.76 and 192,390,635.24

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Solution

The fourth proportional to 472,836,550.54, 708,639,625.76 and 192,390,635.24 is: 288,335,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,836,550.54 : 708,639,625.76 = 192,390,635.24 : x
  2. Step 2: Convert to fraction form
    472,836,550.54/708,639,625.76 = 192,390,635.24/x
  3. Step 3: Cross multiply
    472,836,550.54x = 708,639,625.76 × 192,390,635.24
  4. Step 4: Simplify right side
    472,836,550.54x = 136,335,627,755,353,680
  5. Step 5: Solve for x
    x = 136,335,627,755,353,680/472,836,550.54
  6. Step 6: Final answer
    x = 288,335,636.49

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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.