Home / 432,245,644.56-647,323,188.75-247,452,647.94

Finding the Fourth Proportional to 432,245,644.56, 647,323,188.75 and 247,452,647.94

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Solution

The fourth proportional to 432,245,644.56, 647,323,188.75 and 247,452,647.94 is: 370,580,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,245,644.56 : 647,323,188.75 = 247,452,647.94 : x
  2. Step 2: Convert to fraction form
    432,245,644.56/647,323,188.75 = 247,452,647.94/x
  3. Step 3: Cross multiply
    432,245,644.56x = 647,323,188.75 × 247,452,647.94
  4. Step 4: Simplify right side
    432,245,644.56x = 160,181,837,129,151,904
  5. Step 5: Solve for x
    x = 160,181,837,129,151,904/432,245,644.56
  6. Step 6: Final answer
    x = 370,580,569.51

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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.