Home / 474,366,933.30-654,590,625.94-288,707,429.46

Finding the Fourth Proportional to 474,366,933.30, 654,590,625.94 and 288,707,429.46

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Solution

The fourth proportional to 474,366,933.30, 654,590,625.94 and 288,707,429.46 is: 398,394,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,366,933.30 : 654,590,625.94 = 288,707,429.46 : x
  2. Step 2: Convert to fraction form
    474,366,933.30/654,590,625.94 = 288,707,429.46/x
  3. Step 3: Cross multiply
    474,366,933.30x = 654,590,625.94 × 288,707,429.46
  4. Step 4: Simplify right side
    474,366,933.30x = 188,985,176,963,749,792
  5. Step 5: Solve for x
    x = 188,985,176,963,749,792/474,366,933.30
  6. Step 6: Final answer
    x = 398,394,499.48

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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.