Home / 480,783,643.50-663,481,471.77-271,935,291.18

Finding the Fourth Proportional to 480,783,643.50, 663,481,471.77 and 271,935,291.18

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Solution

The fourth proportional to 480,783,643.50, 663,481,471.77 and 271,935,291.18 is: 375,270,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,783,643.50 : 663,481,471.77 = 271,935,291.18 : x
  2. Step 2: Convert to fraction form
    480,783,643.50/663,481,471.77 = 271,935,291.18/x
  3. Step 3: Cross multiply
    480,783,643.50x = 663,481,471.77 × 271,935,291.18
  4. Step 4: Simplify right side
    480,783,643.50x = 180,424,027,218,309,888
  5. Step 5: Solve for x
    x = 180,424,027,218,309,888/480,783,643.50
  6. Step 6: Final answer
    x = 375,270,726.57

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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.