Home / 821,028,185.16-1,231,532,001.06-199,248,567.24

Finding the Fourth Proportional to 821,028,185.16, 1,231,532,001.06 and 199,248,567.24

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Solution

The fourth proportional to 821,028,185.16, 1,231,532,001.06 and 199,248,567.24 is: 298,870,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,028,185.16 : 1,231,532,001.06 = 199,248,567.24 : x
  2. Step 2: Convert to fraction form
    821,028,185.16/1,231,532,001.06 = 199,248,567.24/x
  3. Step 3: Cross multiply
    821,028,185.16x = 1,231,532,001.06 × 199,248,567.24
  4. Step 4: Simplify right side
    821,028,185.16x = 245,380,986,721,415,168
  5. Step 5: Solve for x
    x = 245,380,986,721,415,168/821,028,185.16
  6. Step 6: Final answer
    x = 298,870,356.90

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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.