Home / 354,278,528.24-488,470,013.20-291,334,659.44

Finding the Fourth Proportional to 354,278,528.24, 488,470,013.20 and 291,334,659.44

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Solution

The fourth proportional to 354,278,528.24, 488,470,013.20 and 291,334,659.44 is: 401,684,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,278,528.24 : 488,470,013.20 = 291,334,659.44 : x
  2. Step 2: Convert to fraction form
    354,278,528.24/488,470,013.20 = 291,334,659.44/x
  3. Step 3: Cross multiply
    354,278,528.24x = 488,470,013.20 × 291,334,659.44
  4. Step 4: Simplify right side
    354,278,528.24x = 142,308,244,942,274,304
  5. Step 5: Solve for x
    x = 142,308,244,942,274,304/354,278,528.24
  6. Step 6: Final answer
    x = 401,684,645.27

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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.