Home / 865,754,315.46-1,194,708,947.73-469,268,792.37

Finding the Fourth Proportional to 865,754,315.46, 1,194,708,947.73 and 469,268,792.37

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Solution

The fourth proportional to 865,754,315.46, 1,194,708,947.73 and 469,268,792.37 is: 647,573,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,315.46 : 1,194,708,947.73 = 469,268,792.37 : x
  2. Step 2: Convert to fraction form
    865,754,315.46/1,194,708,947.73 = 469,268,792.37/x
  3. Step 3: Cross multiply
    865,754,315.46x = 1,194,708,947.73 × 469,268,792.37
  4. Step 4: Simplify right side
    865,754,315.46x = 560,639,625,134,890,560
  5. Step 5: Solve for x
    x = 560,639,625,134,890,560/865,754,315.46
  6. Step 6: Final answer
    x = 647,573,584.24

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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.