Home / 396,697,663.84-594,705,665.04-137,879,275.36

Finding the Fourth Proportional to 396,697,663.84, 594,705,665.04 and 137,879,275.36

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Solution

The fourth proportional to 396,697,663.84, 594,705,665.04 and 137,879,275.36 is: 206,700,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,697,663.84 : 594,705,665.04 = 137,879,275.36 : x
  2. Step 2: Convert to fraction form
    396,697,663.84/594,705,665.04 = 137,879,275.36/x
  3. Step 3: Cross multiply
    396,697,663.84x = 594,705,665.04 × 137,879,275.36
  4. Step 4: Simplify right side
    396,697,663.84x = 81,997,586,148,202,096
  5. Step 5: Solve for x
    x = 81,997,586,148,202,096/396,697,663.84
  6. Step 6: Final answer
    x = 206,700,451.31

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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.