Home / 361,303,769.88-498,589,496.64-212,633,638.56

Finding the Fourth Proportional to 361,303,769.88, 498,589,496.64 and 212,633,638.56

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Solution

The fourth proportional to 361,303,769.88, 498,589,496.64 and 212,633,638.56 is: 293,428,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,303,769.88 : 498,589,496.64 = 212,633,638.56 : x
  2. Step 2: Convert to fraction form
    361,303,769.88/498,589,496.64 = 212,633,638.56/x
  3. Step 3: Cross multiply
    361,303,769.88x = 498,589,496.64 × 212,633,638.56
  4. Step 4: Simplify right side
    361,303,769.88x = 106,016,898,818,362,096
  5. Step 5: Solve for x
    x = 106,016,898,818,362,096/361,303,769.88
  6. Step 6: Final answer
    x = 293,428,709.18

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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.