Home / 748,608,094.40-1,122,912,141.60-263,982,891.20

Finding the Fourth Proportional to 748,608,094.40, 1,122,912,141.60 and 263,982,891.20

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Solution

The fourth proportional to 748,608,094.40, 1,122,912,141.60 and 263,982,891.20 is: 395,974,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,608,094.40 : 1,122,912,141.60 = 263,982,891.20 : x
  2. Step 2: Convert to fraction form
    748,608,094.40/1,122,912,141.60 = 263,982,891.20/x
  3. Step 3: Cross multiply
    748,608,094.40x = 1,122,912,141.60 × 263,982,891.20
  4. Step 4: Simplify right side
    748,608,094.40x = 296,429,593,703,151,744
  5. Step 5: Solve for x
    x = 296,429,593,703,151,744/748,608,094.40
  6. Step 6: Final answer
    x = 395,974,336.80

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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.