Home / 521,935,738.98-782,386,473.26-245,091,374.47

Finding the Fourth Proportional to 521,935,738.98, 782,386,473.26 and 245,091,374.47

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Solution

The fourth proportional to 521,935,738.98, 782,386,473.26 and 245,091,374.47 is: 367,394,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,935,738.98 : 782,386,473.26 = 245,091,374.47 : x
  2. Step 2: Convert to fraction form
    521,935,738.98/782,386,473.26 = 245,091,374.47/x
  3. Step 3: Cross multiply
    521,935,738.98x = 782,386,473.26 × 245,091,374.47
  4. Step 4: Simplify right side
    521,935,738.98x = 191,756,176,099,620,032
  5. Step 5: Solve for x
    x = 191,756,176,099,620,032/521,935,738.98
  6. Step 6: Final answer
    x = 367,394,224.57

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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.