Home / 515,023,596.44-710,722,709.30-283,236,588.44

Finding the Fourth Proportional to 515,023,596.44, 710,722,709.30 and 283,236,588.44

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Solution

The fourth proportional to 515,023,596.44, 710,722,709.30 and 283,236,588.44 is: 390,861,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,023,596.44 : 710,722,709.30 = 283,236,588.44 : x
  2. Step 2: Convert to fraction form
    515,023,596.44/710,722,709.30 = 283,236,588.44/x
  3. Step 3: Cross multiply
    515,023,596.44x = 710,722,709.30 × 283,236,588.44
  4. Step 4: Simplify right side
    515,023,596.44x = 201,302,675,508,965,856
  5. Step 5: Solve for x
    x = 201,302,675,508,965,856/515,023,596.44
  6. Step 6: Final answer
    x = 390,861,072.97

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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.