Home / 285,146,539.38-393,502,515.57-154,766,374.26

Finding the Fourth Proportional to 285,146,539.38, 393,502,515.57 and 154,766,374.26

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Solution

The fourth proportional to 285,146,539.38, 393,502,515.57 and 154,766,374.26 is: 213,577,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,146,539.38 : 393,502,515.57 = 154,766,374.26 : x
  2. Step 2: Convert to fraction form
    285,146,539.38/393,502,515.57 = 154,766,374.26/x
  3. Step 3: Cross multiply
    285,146,539.38x = 393,502,515.57 × 154,766,374.26
  4. Step 4: Simplify right side
    285,146,539.38x = 60,900,957,596,958,096
  5. Step 5: Solve for x
    x = 60,900,957,596,958,096/285,146,539.38
  6. Step 6: Final answer
    x = 213,577,754.54

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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.