Home / 474,366,922.29-654,590,610.77-288,707,418.45

Finding the Fourth Proportional to 474,366,922.29, 654,590,610.77 and 288,707,418.45

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Solution

The fourth proportional to 474,366,922.29, 654,590,610.77 and 288,707,418.45 is: 398,394,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,366,922.29 : 654,590,610.77 = 288,707,418.45 : x
  2. Step 2: Convert to fraction form
    474,366,922.29/654,590,610.77 = 288,707,418.45/x
  3. Step 3: Cross multiply
    474,366,922.29x = 654,590,610.77 × 288,707,418.45
  4. Step 4: Simplify right side
    474,366,922.29x = 188,985,165,375,571,904
  5. Step 5: Solve for x
    x = 188,985,165,375,571,904/474,366,922.29
  6. Step 6: Final answer
    x = 398,394,484.30

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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.