Home / 321,791,648.58-482,689,099.98-100,444,433.76

Finding the Fourth Proportional to 321,791,648.58, 482,689,099.98 and 100,444,433.76

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Solution

The fourth proportional to 321,791,648.58, 482,689,099.98 and 100,444,433.76 is: 150,667,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,791,648.58 : 482,689,099.98 = 100,444,433.76 : x
  2. Step 2: Convert to fraction form
    321,791,648.58/482,689,099.98 = 100,444,433.76/x
  3. Step 3: Cross multiply
    321,791,648.58x = 482,689,099.98 × 100,444,433.76
  4. Step 4: Simplify right side
    321,791,648.58x = 48,483,433,329,615,128
  5. Step 5: Solve for x
    x = 48,483,433,329,615,128/321,791,648.58
  6. Step 6: Final answer
    x = 150,667,158.53

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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.