Home / 872,888,608.44-1,309,578,556.50-381,645,018.36

Finding the Fourth Proportional to 872,888,608.44, 1,309,578,556.50 and 381,645,018.36

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Solution

The fourth proportional to 872,888,608.44, 1,309,578,556.50 and 381,645,018.36 is: 572,574,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,888,608.44 : 1,309,578,556.50 = 381,645,018.36 : x
  2. Step 2: Convert to fraction form
    872,888,608.44/1,309,578,556.50 = 381,645,018.36/x
  3. Step 3: Cross multiply
    872,888,608.44x = 1,309,578,556.50 × 381,645,018.36
  4. Step 4: Simplify right side
    872,888,608.44x = 499,794,132,239,304,832
  5. Step 5: Solve for x
    x = 499,794,132,239,304,832/872,888,608.44
  6. Step 6: Final answer
    x = 572,574,928.13

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