Home / 419,026,024.27-578,203,513.41-242,810,817.49

Finding the Fourth Proportional to 419,026,024.27, 578,203,513.41 and 242,810,817.49

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Solution

The fourth proportional to 419,026,024.27, 578,203,513.41 and 242,810,817.49 is: 335,048,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,026,024.27 : 578,203,513.41 = 242,810,817.49 : x
  2. Step 2: Convert to fraction form
    419,026,024.27/578,203,513.41 = 242,810,817.49/x
  3. Step 3: Cross multiply
    419,026,024.27x = 578,203,513.41 × 242,810,817.49
  4. Step 4: Simplify right side
    419,026,024.27x = 140,394,067,766,672,272
  5. Step 5: Solve for x
    x = 140,394,067,766,672,272/419,026,024.27
  6. Step 6: Final answer
    x = 335,048,564.13

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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.