Home / 510,693,586.37-766,147,979.96-165,620,306.42

Finding the Fourth Proportional to 510,693,586.37, 766,147,979.96 and 165,620,306.42

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Solution

The fourth proportional to 510,693,586.37, 766,147,979.96 and 165,620,306.42 is: 248,465,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,693,586.37 : 766,147,979.96 = 165,620,306.42 : x
  2. Step 2: Convert to fraction form
    510,693,586.37/766,147,979.96 = 165,620,306.42/x
  3. Step 3: Cross multiply
    510,693,586.37x = 766,147,979.96 × 165,620,306.42
  4. Step 4: Simplify right side
    510,693,586.37x = 126,889,663,204,039,216
  5. Step 5: Solve for x
    x = 126,889,663,204,039,216/510,693,586.37
  6. Step 6: Final answer
    x = 248,465,354.94

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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.