Home / 342,122,629.83-472,518,930.38-231,923,024.07

Finding the Fourth Proportional to 342,122,629.83, 472,518,930.38 and 231,923,024.07

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Solution

The fourth proportional to 342,122,629.83, 472,518,930.38 and 231,923,024.07 is: 320,317,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,122,629.83 : 472,518,930.38 = 231,923,024.07 : x
  2. Step 2: Convert to fraction form
    342,122,629.83/472,518,930.38 = 231,923,024.07/x
  3. Step 3: Cross multiply
    342,122,629.83x = 472,518,930.38 × 231,923,024.07
  4. Step 4: Simplify right side
    342,122,629.83x = 109,588,019,262,891,776
  5. Step 5: Solve for x
    x = 109,588,019,262,891,776/342,122,629.83
  6. Step 6: Final answer
    x = 320,317,949.49

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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.