Home / 205,009,811,414.87-307,402,614,040.11-162,785,941,939.61

Finding the Fourth Proportional to 205,009,811,414.87, 307,402,614,040.11 and 162,785,941,939.61

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Solution

The fourth proportional to 205,009,811,414.87, 307,402,614,040.11 and 162,785,941,939.61 is: 244,089,898,604.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,009,811,414.87 : 307,402,614,040.11 = 162,785,941,939.61 : x
  2. Step 2: Convert to fraction form
    205,009,811,414.87/307,402,614,040.11 = 162,785,941,939.61/x
  3. Step 3: Cross multiply
    205,009,811,414.87x = 307,402,614,040.11 × 162,785,941,939.61
  4. Step 4: Simplify right side
    205,009,811,414.87x = 50,040,824,081,217,683,980,288
  5. Step 5: Solve for x
    x = 50,040,824,081,217,683,980,288/205,009,811,414.87
  6. Step 6: Final answer
    x = 244,089,898,604.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.