Home / 419,026,023.27-578,203,512.03-242,810,816.49

Finding the Fourth Proportional to 419,026,023.27, 578,203,512.03 and 242,810,816.49

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Solution

The fourth proportional to 419,026,023.27, 578,203,512.03 and 242,810,816.49 is: 335,048,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,026,023.27 : 578,203,512.03 = 242,810,816.49 : x
  2. Step 2: Convert to fraction form
    419,026,023.27/578,203,512.03 = 242,810,816.49/x
  3. Step 3: Cross multiply
    419,026,023.27x = 578,203,512.03 × 242,810,816.49
  4. Step 4: Simplify right side
    419,026,023.27x = 140,394,066,853,389,840
  5. Step 5: Solve for x
    x = 140,394,066,853,389,840/419,026,023.27
  6. Step 6: Final answer
    x = 335,048,562.75

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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.