Home / 897,228,723.90-1,347,228,769.05-489,082,035.90

Finding the Fourth Proportional to 897,228,723.90, 1,347,228,769.05 and 489,082,035.90

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Solution

The fourth proportional to 897,228,723.90, 1,347,228,769.05 and 489,082,035.90 is: 734,378,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,228,723.90 : 1,347,228,769.05 = 489,082,035.90 : x
  2. Step 2: Convert to fraction form
    897,228,723.90/1,347,228,769.05 = 489,082,035.90/x
  3. Step 3: Cross multiply
    897,228,723.90x = 1,347,228,769.05 × 489,082,035.90
  4. Step 4: Simplify right side
    897,228,723.90x = 658,905,389,190,024,832
  5. Step 5: Solve for x
    x = 658,905,389,190,024,832/897,228,723.90
  6. Step 6: Final answer
    x = 734,378,393.87

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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.