Home / 457,552,924.70-631,492,057.13-279,040,377.37

Finding the Fourth Proportional to 457,552,924.70, 631,492,057.13 and 279,040,377.37

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Solution

The fourth proportional to 457,552,924.70, 631,492,057.13 and 279,040,377.37 is: 385,117,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,552,924.70 : 631,492,057.13 = 279,040,377.37 : x
  2. Step 2: Convert to fraction form
    457,552,924.70/631,492,057.13 = 279,040,377.37/x
  3. Step 3: Cross multiply
    457,552,924.70x = 631,492,057.13 × 279,040,377.37
  4. Step 4: Simplify right side
    457,552,924.70x = 176,211,781,925,436,480
  5. Step 5: Solve for x
    x = 176,211,781,925,436,480/457,552,924.70
  6. Step 6: Final answer
    x = 385,117,813.51

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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.