Home / 304,585,387,135.11-420,331,643,084.25-167,423,188,670.10

Finding the Fourth Proportional to 304,585,387,135.11, 420,331,643,084.25 and 167,423,188,670.10

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Solution

The fourth proportional to 304,585,387,135.11, 420,331,643,084.25 and 167,423,188,670.10 is: 231,046,093,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,585,387,135.11 : 420,331,643,084.25 = 167,423,188,670.10 : x
  2. Step 2: Convert to fraction form
    304,585,387,135.11/420,331,643,084.25 = 167,423,188,670.10/x
  3. Step 3: Cross multiply
    304,585,387,135.11x = 420,331,643,084.25 × 167,423,188,670.10
  4. Step 4: Simplify right side
    304,585,387,135.11x = 70,373,263,984,107,527,864,320
  5. Step 5: Solve for x
    x = 70,373,263,984,107,527,864,320/304,585,387,135.11
  6. Step 6: Final answer
    x = 231,046,093,990.36

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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.