Home / 412,826,118.96-569,700,138.06-227,187,134.64

Finding the Fourth Proportional to 412,826,118.96, 569,700,138.06 and 227,187,134.64

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Solution

The fourth proportional to 412,826,118.96, 569,700,138.06 and 227,187,134.64 is: 313,518,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,826,118.96 : 569,700,138.06 = 227,187,134.64 : x
  2. Step 2: Convert to fraction form
    412,826,118.96/569,700,138.06 = 227,187,134.64/x
  3. Step 3: Cross multiply
    412,826,118.96x = 569,700,138.06 × 227,187,134.64
  4. Step 4: Simplify right side
    412,826,118.96x = 129,428,541,969,863,792
  5. Step 5: Solve for x
    x = 129,428,541,969,863,792/412,826,118.96
  6. Step 6: Final answer
    x = 313,518,297.48

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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.