Home / 485,460,076.62-727,963,721.84-252,228,087.34

Finding the Fourth Proportional to 485,460,076.62, 727,963,721.84 and 252,228,087.34

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Solution

The fourth proportional to 485,460,076.62, 727,963,721.84 and 252,228,087.34 is: 378,224,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,460,076.62 : 727,963,721.84 = 252,228,087.34 : x
  2. Step 2: Convert to fraction form
    485,460,076.62/727,963,721.84 = 252,228,087.34/x
  3. Step 3: Cross multiply
    485,460,076.62x = 727,963,721.84 × 252,228,087.34
  4. Step 4: Simplify right side
    485,460,076.62x = 183,612,897,212,611,008
  5. Step 5: Solve for x
    x = 183,612,897,212,611,008/485,460,076.62
  6. Step 6: Final answer
    x = 378,224,505.08

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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.