Home / 621,542,726.66-857,728,832.73-343,084,176.74

Finding the Fourth Proportional to 621,542,726.66, 857,728,832.73 and 343,084,176.74

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Solution

The fourth proportional to 621,542,726.66, 857,728,832.73 and 343,084,176.74 is: 473,456,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,542,726.66 : 857,728,832.73 = 343,084,176.74 : x
  2. Step 2: Convert to fraction form
    621,542,726.66/857,728,832.73 = 343,084,176.74/x
  3. Step 3: Cross multiply
    621,542,726.66x = 857,728,832.73 × 343,084,176.74
  4. Step 4: Simplify right side
    621,542,726.66x = 294,273,190,443,333,248
  5. Step 5: Solve for x
    x = 294,273,190,443,333,248/621,542,726.66
  6. Step 6: Final answer
    x = 473,456,092.11

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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.