Home / 274,311,220.86-378,550,475.82-148,863,389.49

Finding the Fourth Proportional to 274,311,220.86, 378,550,475.82 and 148,863,389.49

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Solution

The fourth proportional to 274,311,220.86, 378,550,475.82 and 148,863,389.49 is: 205,432,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,311,220.86 : 378,550,475.82 = 148,863,389.49 : x
  2. Step 2: Convert to fraction form
    274,311,220.86/378,550,475.82 = 148,863,389.49/x
  3. Step 3: Cross multiply
    274,311,220.86x = 378,550,475.82 × 148,863,389.49
  4. Step 4: Simplify right side
    274,311,220.86x = 56,352,306,923,617,488
  5. Step 5: Solve for x
    x = 56,352,306,923,617,488/274,311,220.86
  6. Step 6: Final answer
    x = 205,432,015.31

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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.