Home / 453,448,489.77-625,738,787.28-252,515,729.61

Finding the Fourth Proportional to 453,448,489.77, 625,738,787.28 and 252,515,729.61

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Solution

The fourth proportional to 453,448,489.77, 625,738,787.28 and 252,515,729.61 is: 348,460,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,448,489.77 : 625,738,787.28 = 252,515,729.61 : x
  2. Step 2: Convert to fraction form
    453,448,489.77/625,738,787.28 = 252,515,729.61/x
  3. Step 3: Cross multiply
    453,448,489.77x = 625,738,787.28 × 252,515,729.61
  4. Step 4: Simplify right side
    453,448,489.77x = 158,008,886,415,285,792
  5. Step 5: Solve for x
    x = 158,008,886,415,285,792/453,448,489.77
  6. Step 6: Final answer
    x = 348,460,497.68

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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.