Home / 314,928,930.30-472,393,395.45-276,665,178.30

Finding the Fourth Proportional to 314,928,930.30, 472,393,395.45 and 276,665,178.30

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Solution

The fourth proportional to 314,928,930.30, 472,393,395.45 and 276,665,178.30 is: 414,997,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,930.30 : 472,393,395.45 = 276,665,178.30 : x
  2. Step 2: Convert to fraction form
    314,928,930.30/472,393,395.45 = 276,665,178.30/x
  3. Step 3: Cross multiply
    314,928,930.30x = 472,393,395.45 × 276,665,178.30
  4. Step 4: Simplify right side
    314,928,930.30x = 130,694,802,979,916,656
  5. Step 5: Solve for x
    x = 130,694,802,979,916,656/314,928,930.30
  6. Step 6: Final answer
    x = 414,997,767.45

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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.