Home / 515,192,476.80-773,684,510.40-273,327,772.80

Finding the Fourth Proportional to 515,192,476.80, 773,684,510.40 and 273,327,772.80

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Solution

The fourth proportional to 515,192,476.80, 773,684,510.40 and 273,327,772.80 is: 410,466,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,192,476.80 : 773,684,510.40 = 273,327,772.80 : x
  2. Step 2: Convert to fraction form
    515,192,476.80/773,684,510.40 = 273,327,772.80/x
  3. Step 3: Cross multiply
    515,192,476.80x = 773,684,510.40 × 273,327,772.80
  4. Step 4: Simplify right side
    515,192,476.80x = 211,469,464,077,490,432
  5. Step 5: Solve for x
    x = 211,469,464,077,490,432/515,192,476.80
  6. Step 6: Final answer
    x = 410,466,910.14

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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.