Home / 278,223,002.34-419,334,340.97-239,824,917.60

Finding the Fourth Proportional to 278,223,002.34, 419,334,340.97 and 239,824,917.60

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Solution

The fourth proportional to 278,223,002.34, 419,334,340.97 and 239,824,917.60 is: 361,461,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,223,002.34 : 419,334,340.97 = 239,824,917.60 : x
  2. Step 2: Convert to fraction form
    278,223,002.34/419,334,340.97 = 239,824,917.60/x
  3. Step 3: Cross multiply
    278,223,002.34x = 419,334,340.97 × 239,824,917.60
  4. Step 4: Simplify right side
    278,223,002.34x = 100,566,823,768,781,424
  5. Step 5: Solve for x
    x = 100,566,823,768,781,424/278,223,002.34
  6. Step 6: Final answer
    x = 361,461,212.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.