Home / 274,217,334.84-378,420,640.78-148,769,524.32

Finding the Fourth Proportional to 274,217,334.84, 378,420,640.78 and 148,769,524.32

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Solution

The fourth proportional to 274,217,334.84, 378,420,640.78 and 148,769,524.32 is: 205,302,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,217,334.84 : 378,420,640.78 = 148,769,524.32 : x
  2. Step 2: Convert to fraction form
    274,217,334.84/378,420,640.78 = 148,769,524.32/x
  3. Step 3: Cross multiply
    274,217,334.84x = 378,420,640.78 × 148,769,524.32
  4. Step 4: Simplify right side
    274,217,334.84x = 56,297,458,721,710,184
  5. Step 5: Solve for x
    x = 56,297,458,721,710,184/274,217,334.84
  6. Step 6: Final answer
    x = 205,302,333.47

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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.