Home / 632,099,128.25-872,298,663.24-349,861,172.10

Finding the Fourth Proportional to 632,099,128.25, 872,298,663.24 and 349,861,172.10

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Solution

The fourth proportional to 632,099,128.25, 872,298,663.24 and 349,861,172.10 is: 482,809,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,099,128.25 : 872,298,663.24 = 349,861,172.10 : x
  2. Step 2: Convert to fraction form
    632,099,128.25/872,298,663.24 = 349,861,172.10/x
  3. Step 3: Cross multiply
    632,099,128.25x = 872,298,663.24 × 349,861,172.10
  4. Step 4: Simplify right side
    632,099,128.25x = 305,183,432,743,721,600
  5. Step 5: Solve for x
    x = 305,183,432,743,721,600/632,099,128.25
  6. Step 6: Final answer
    x = 482,809,450.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.