Home / 314,839,155.72-434,617,353.36-203,384,340.48

Finding the Fourth Proportional to 314,839,155.72, 434,617,353.36 and 203,384,340.48

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Solution

The fourth proportional to 314,839,155.72, 434,617,353.36 and 203,384,340.48 is: 280,760,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,839,155.72 : 434,617,353.36 = 203,384,340.48 : x
  2. Step 2: Convert to fraction form
    314,839,155.72/434,617,353.36 = 203,384,340.48/x
  3. Step 3: Cross multiply
    314,839,155.72x = 434,617,353.36 × 203,384,340.48
  4. Step 4: Simplify right side
    314,839,155.72x = 88,394,363,774,286,704
  5. Step 5: Solve for x
    x = 88,394,363,774,286,704/314,839,155.72
  6. Step 6: Final answer
    x = 280,760,388.82

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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.