Home / 314,839,582.47-434,617,942.32-203,384,766.15

Finding the Fourth Proportional to 314,839,582.47, 434,617,942.32 and 203,384,766.15

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Solution

The fourth proportional to 314,839,582.47, 434,617,942.32 and 203,384,766.15 is: 280,760,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,839,582.47 : 434,617,942.32 = 203,384,766.15 : x
  2. Step 2: Convert to fraction form
    314,839,582.47/434,617,942.32 = 203,384,766.15/x
  3. Step 3: Cross multiply
    314,839,582.47x = 434,617,942.32 × 203,384,766.15
  4. Step 4: Simplify right side
    314,839,582.47x = 88,394,668,563,347,392
  5. Step 5: Solve for x
    x = 88,394,668,563,347,392/314,839,582.47
  6. Step 6: Final answer
    x = 280,760,976.34

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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.