Home / 413,021,338.94-569,948,945.91-227,378,368.82

Finding the Fourth Proportional to 413,021,338.94, 569,948,945.91 and 227,378,368.82

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Solution

The fourth proportional to 413,021,338.94, 569,948,945.91 and 227,378,368.82 is: 313,770,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,021,338.94 : 569,948,945.91 = 227,378,368.82 : x
  2. Step 2: Convert to fraction form
    413,021,338.94/569,948,945.91 = 227,378,368.82/x
  3. Step 3: Cross multiply
    413,021,338.94x = 569,948,945.91 × 227,378,368.82
  4. Step 4: Simplify right side
    413,021,338.94x = 129,594,061,628,844,464
  5. Step 5: Solve for x
    x = 129,594,061,628,844,464/413,021,338.94
  6. Step 6: Final answer
    x = 313,770,862.21

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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.