Home / 401,046,378.75-601,144,991.79-134,898,726.78

Finding the Fourth Proportional to 401,046,378.75, 601,144,991.79 and 134,898,726.78

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Solution

The fourth proportional to 401,046,378.75, 601,144,991.79 and 134,898,726.78 is: 202,205,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,046,378.75 : 601,144,991.79 = 134,898,726.78 : x
  2. Step 2: Convert to fraction form
    401,046,378.75/601,144,991.79 = 134,898,726.78/x
  3. Step 3: Cross multiply
    401,046,378.75x = 601,144,991.79 × 134,898,726.78
  4. Step 4: Simplify right side
    401,046,378.75x = 81,093,694,002,644,544
  5. Step 5: Solve for x
    x = 81,093,694,002,644,544/401,046,378.75
  6. Step 6: Final answer
    x = 202,205,276.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.