Home / 340,086,382.46-469,304,111.34-189,386,812.34

Finding the Fourth Proportional to 340,086,382.46, 469,304,111.34 and 189,386,812.34

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Solution

The fourth proportional to 340,086,382.46, 469,304,111.34 and 189,386,812.34 is: 261,345,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,086,382.46 : 469,304,111.34 = 189,386,812.34 : x
  2. Step 2: Convert to fraction form
    340,086,382.46/469,304,111.34 = 189,386,812.34/x
  3. Step 3: Cross multiply
    340,086,382.46x = 469,304,111.34 × 189,386,812.34
  4. Step 4: Simplify right side
    340,086,382.46x = 88,880,009,664,739,040
  5. Step 5: Solve for x
    x = 88,880,009,664,739,040/340,086,382.46
  6. Step 6: Final answer
    x = 261,345,394.14

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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.