Home / 393,042,178.79-589,252,624.31-196,204,570.08

Finding the Fourth Proportional to 393,042,178.79, 589,252,624.31 and 196,204,570.08

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Solution

The fourth proportional to 393,042,178.79, 589,252,624.31 and 196,204,570.08 is: 294,151,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,042,178.79 : 589,252,624.31 = 196,204,570.08 : x
  2. Step 2: Convert to fraction form
    393,042,178.79/589,252,624.31 = 196,204,570.08/x
  3. Step 3: Cross multiply
    393,042,178.79x = 589,252,624.31 × 196,204,570.08
  4. Step 4: Simplify right side
    393,042,178.79x = 115,614,057,820,274,288
  5. Step 5: Solve for x
    x = 115,614,057,820,274,288/393,042,178.79
  6. Step 6: Final answer
    x = 294,151,783.35

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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.