Home / 684,992,532.59-945,289,694.71-371,726,746.57

Finding the Fourth Proportional to 684,992,532.59, 945,289,694.71 and 371,726,746.57

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Solution

The fourth proportional to 684,992,532.59, 945,289,694.71 and 371,726,746.57 is: 512,982,910.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,992,532.59 : 945,289,694.71 = 371,726,746.57 : x
  2. Step 2: Convert to fraction form
    684,992,532.59/945,289,694.71 = 371,726,746.57/x
  3. Step 3: Cross multiply
    684,992,532.59x = 945,289,694.71 × 371,726,746.57
  4. Step 4: Simplify right side
    684,992,532.59x = 351,389,462,780,696,832
  5. Step 5: Solve for x
    x = 351,389,462,780,696,832/684,992,532.59
  6. Step 6: Final answer
    x = 512,982,910.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.