Home / 526,229,528.56-726,029,802.76-306,170,439.28

Finding the Fourth Proportional to 526,229,528.56, 726,029,802.76 and 306,170,439.28

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Solution

The fourth proportional to 526,229,528.56, 726,029,802.76 and 306,170,439.28 is: 422,418,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,229,528.56 : 726,029,802.76 = 306,170,439.28 : x
  2. Step 2: Convert to fraction form
    526,229,528.56/726,029,802.76 = 306,170,439.28/x
  3. Step 3: Cross multiply
    526,229,528.56x = 726,029,802.76 × 306,170,439.28
  4. Step 4: Simplify right side
    526,229,528.56x = 222,288,863,641,400,928
  5. Step 5: Solve for x
    x = 222,288,863,641,400,928/526,229,528.56
  6. Step 6: Final answer
    x = 422,418,073.44

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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.