Home / 748,660,262.94-1,123,092,540.98-311,858,795.48

Finding the Fourth Proportional to 748,660,262.94, 1,123,092,540.98 and 311,858,795.48

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Solution

The fourth proportional to 748,660,262.94, 1,123,092,540.98 and 311,858,795.48 is: 467,830,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,660,262.94 : 1,123,092,540.98 = 311,858,795.48 : x
  2. Step 2: Convert to fraction form
    748,660,262.94/1,123,092,540.98 = 311,858,795.48/x
  3. Step 3: Cross multiply
    748,660,262.94x = 1,123,092,540.98 × 311,858,795.48
  4. Step 4: Simplify right side
    748,660,262.94x = 350,246,287,035,420,608
  5. Step 5: Solve for x
    x = 350,246,287,035,420,608/748,660,262.94
  6. Step 6: Final answer
    x = 467,830,742.96

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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.