Home / 658,964,160.14-909,384,433.60-361,603,801.24

Finding the Fourth Proportional to 658,964,160.14, 909,384,433.60 and 361,603,801.24

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Solution

The fourth proportional to 658,964,160.14, 909,384,433.60 and 361,603,801.24 is: 499,020,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,964,160.14 : 909,384,433.60 = 361,603,801.24 : x
  2. Step 2: Convert to fraction form
    658,964,160.14/909,384,433.60 = 361,603,801.24/x
  3. Step 3: Cross multiply
    658,964,160.14x = 909,384,433.60 × 361,603,801.24
  4. Step 4: Simplify right side
    658,964,160.14x = 328,836,867,978,244,416
  5. Step 5: Solve for x
    x = 328,836,867,978,244,416/658,964,160.14
  6. Step 6: Final answer
    x = 499,020,869.22

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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.