Home / 274,359,570-378,616,621.26-148,911,810.96

Finding the Fourth Proportional to 274,359,570, 378,616,621.26 and 148,911,810.96

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Solution

The fourth proportional to 274,359,570, 378,616,621.26 and 148,911,810.96 is: 205,498,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,359,570 : 378,616,621.26 = 148,911,810.96 : x
  2. Step 2: Convert to fraction form
    274,359,570/378,616,621.26 = 148,911,810.96/x
  3. Step 3: Cross multiply
    274,359,570x = 378,616,621.26 × 148,911,810.96
  4. Step 4: Simplify right side
    274,359,570x = 56,380,486,731,383,040
  5. Step 5: Solve for x
    x = 56,380,486,731,383,040/274,359,570
  6. Step 6: Final answer
    x = 205,498,524.19

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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.