Home / 608,397,619.89-839,624,115.11-340,471,186.60

Finding the Fourth Proportional to 608,397,619.89, 839,624,115.11 and 340,471,186.60

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Solution

The fourth proportional to 608,397,619.89, 839,624,115.11 and 340,471,186.60 is: 469,870,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,397,619.89 : 839,624,115.11 = 340,471,186.60 : x
  2. Step 2: Convert to fraction form
    608,397,619.89/839,624,115.11 = 340,471,186.60/x
  3. Step 3: Cross multiply
    608,397,619.89x = 839,624,115.11 × 340,471,186.60
  4. Step 4: Simplify right side
    608,397,619.89x = 285,867,818,769,476,704
  5. Step 5: Solve for x
    x = 285,867,818,769,476,704/608,397,619.89
  6. Step 6: Final answer
    x = 469,870,047.85

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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.