Home / 7,297,607,331.30-10,945,304,979.39-1,986,133,389.73

Finding the Fourth Proportional to 7,297,607,331.30, 10,945,304,979.39 and 1,986,133,389.73

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Solution

The fourth proportional to 7,297,607,331.30, 10,945,304,979.39 and 1,986,133,389.73 is: 2,978,899,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297,607,331.30 : 10,945,304,979.39 = 1,986,133,389.73 : x
  2. Step 2: Convert to fraction form
    7,297,607,331.30/10,945,304,979.39 = 1,986,133,389.73/x
  3. Step 3: Cross multiply
    7,297,607,331.30x = 10,945,304,979.39 × 1,986,133,389.73
  4. Step 4: Simplify right side
    7,297,607,331.30x = 21,738,835,680,307,216,384
  5. Step 5: Solve for x
    x = 21,738,835,680,307,216,384/7,297,607,331.30
  6. Step 6: Final answer
    x = 2,978,899,068.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.