Home / 432,325,744-648,391,367.52-198,932,578.56

Finding the Fourth Proportional to 432,325,744, 648,391,367.52 and 198,932,578.56

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Solution

The fourth proportional to 432,325,744, 648,391,367.52 and 198,932,578.56 is: 298,354,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,325,744 : 648,391,367.52 = 198,932,578.56 : x
  2. Step 2: Convert to fraction form
    432,325,744/648,391,367.52 = 198,932,578.56/x
  3. Step 3: Cross multiply
    432,325,744x = 648,391,367.52 × 198,932,578.56
  4. Step 4: Simplify right side
    432,325,744x = 128,986,166,656,798,224
  5. Step 5: Solve for x
    x = 128,986,166,656,798,224/432,325,744
  6. Step 6: Final answer
    x = 298,354,119.43

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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.