Home / 481,215,209.40-664,059,806.86-272,366,868.01

Finding the Fourth Proportional to 481,215,209.40, 664,059,806.86 and 272,366,868.01

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Solution

The fourth proportional to 481,215,209.40, 664,059,806.86 and 272,366,868.01 is: 375,856,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,215,209.40 : 664,059,806.86 = 272,366,868.01 : x
  2. Step 2: Convert to fraction form
    481,215,209.40/664,059,806.86 = 272,366,868.01/x
  3. Step 3: Cross multiply
    481,215,209.40x = 664,059,806.86 × 272,366,868.01
  4. Step 4: Simplify right side
    481,215,209.40x = 180,867,889,765,783,712
  5. Step 5: Solve for x
    x = 180,867,889,765,783,712/481,215,209.40
  6. Step 6: Final answer
    x = 375,856,552.81

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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.