Home / 480,901,780.56-663,588,469.86-269,220,202.55

Finding the Fourth Proportional to 480,901,780.56, 663,588,469.86 and 269,220,202.55

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Solution

The fourth proportional to 480,901,780.56, 663,588,469.86 and 269,220,202.55 is: 371,492,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,901,780.56 : 663,588,469.86 = 269,220,202.55 : x
  2. Step 2: Convert to fraction form
    480,901,780.56/663,588,469.86 = 269,220,202.55/x
  3. Step 3: Cross multiply
    480,901,780.56x = 663,588,469.86 × 269,220,202.55
  4. Step 4: Simplify right side
    480,901,780.56x = 178,651,422,262,235,840
  5. Step 5: Solve for x
    x = 178,651,422,262,235,840/480,901,780.56
  6. Step 6: Final answer
    x = 371,492,536.49

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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.