Home / 691,216,981.73-1,036,826,470.50-282,273,132.23

Finding the Fourth Proportional to 691,216,981.73, 1,036,826,470.50 and 282,273,132.23

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Solution

The fourth proportional to 691,216,981.73, 1,036,826,470.50 and 282,273,132.23 is: 423,410,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,216,981.73 : 1,036,826,470.50 = 282,273,132.23 : x
  2. Step 2: Convert to fraction form
    691,216,981.73/1,036,826,470.50 = 282,273,132.23/x
  3. Step 3: Cross multiply
    691,216,981.73x = 1,036,826,470.50 × 282,273,132.23
  4. Step 4: Simplify right side
    691,216,981.73x = 292,668,255,410,479,360
  5. Step 5: Solve for x
    x = 292,668,255,410,479,360/691,216,981.73
  6. Step 6: Final answer
    x = 423,410,105.86

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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.