Home / 608,214,105.18-839,353,171.50-343,890,423.18

Finding the Fourth Proportional to 608,214,105.18, 839,353,171.50 and 343,890,423.18

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Solution

The fourth proportional to 608,214,105.18, 839,353,171.50 and 343,890,423.18 is: 474,578,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,214,105.18 : 839,353,171.50 = 343,890,423.18 : x
  2. Step 2: Convert to fraction form
    608,214,105.18/839,353,171.50 = 343,890,423.18/x
  3. Step 3: Cross multiply
    608,214,105.18x = 839,353,171.50 × 343,890,423.18
  4. Step 4: Simplify right side
    608,214,105.18x = 288,645,517,344,610,112
  5. Step 5: Solve for x
    x = 288,645,517,344,610,112/608,214,105.18
  6. Step 6: Final answer
    x = 474,578,795.34

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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.