Home / 384,202,040.54-530,198,993.61-207,990,036.10

Finding the Fourth Proportional to 384,202,040.54, 530,198,993.61 and 207,990,036.10

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Solution

The fourth proportional to 384,202,040.54, 530,198,993.61 and 207,990,036.10 is: 287,026,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,202,040.54 : 530,198,993.61 = 207,990,036.10 : x
  2. Step 2: Convert to fraction form
    384,202,040.54/530,198,993.61 = 207,990,036.10/x
  3. Step 3: Cross multiply
    384,202,040.54x = 530,198,993.61 × 207,990,036.10
  4. Step 4: Simplify right side
    384,202,040.54x = 110,276,107,819,022,112
  5. Step 5: Solve for x
    x = 110,276,107,819,022,112/384,202,040.54
  6. Step 6: Final answer
    x = 287,026,345.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.