Home / 1,098,135,787.23-1,647,202,289.81-280,248,106.59

Finding the Fourth Proportional to 1,098,135,787.23, 1,647,202,289.81 and 280,248,106.59

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Solution

The fourth proportional to 1,098,135,787.23, 1,647,202,289.81 and 280,248,106.59 is: 420,371,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,135,787.23 : 1,647,202,289.81 = 280,248,106.59 : x
  2. Step 2: Convert to fraction form
    1,098,135,787.23/1,647,202,289.81 = 280,248,106.59/x
  3. Step 3: Cross multiply
    1,098,135,787.23x = 1,647,202,289.81 × 280,248,106.59
  4. Step 4: Simplify right side
    1,098,135,787.23x = 461,625,322,888,563,712
  5. Step 5: Solve for x
    x = 461,625,322,888,563,712/1,098,135,787.23
  6. Step 6: Final answer
    x = 420,371,804.89

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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.