Home / 480,901,782.31-663,588,472.28-269,220,204.30

Finding the Fourth Proportional to 480,901,782.31, 663,588,472.28 and 269,220,204.30

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Solution

The fourth proportional to 480,901,782.31, 663,588,472.28 and 269,220,204.30 is: 371,492,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,901,782.31 : 663,588,472.28 = 269,220,204.30 : x
  2. Step 2: Convert to fraction form
    480,901,782.31/663,588,472.28 = 269,220,204.30/x
  3. Step 3: Cross multiply
    480,901,782.31x = 663,588,472.28 × 269,220,204.30
  4. Step 4: Simplify right side
    480,901,782.31x = 178,651,424,073,682,464
  5. Step 5: Solve for x
    x = 178,651,424,073,682,464/480,901,782.31
  6. Step 6: Final answer
    x = 371,492,538.90

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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.