Home / 521,935,773.40-782,386,524.82-245,091,408.94

Finding the Fourth Proportional to 521,935,773.40, 782,386,524.82 and 245,091,408.94

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Solution

The fourth proportional to 521,935,773.40, 782,386,524.82 and 245,091,408.94 is: 367,394,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,935,773.40 : 782,386,524.82 = 245,091,408.94 : x
  2. Step 2: Convert to fraction form
    521,935,773.40/782,386,524.82 = 245,091,408.94/x
  3. Step 3: Cross multiply
    521,935,773.40x = 782,386,524.82 × 245,091,408.94
  4. Step 4: Simplify right side
    521,935,773.40x = 191,756,215,703,804,096
  5. Step 5: Solve for x
    x = 191,756,215,703,804,096/521,935,773.40
  6. Step 6: Final answer
    x = 367,394,276.22

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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.