Home / 774,397,819.78-1,161,595,277.93-242,649,953.91

Finding the Fourth Proportional to 774,397,819.78, 1,161,595,277.93 and 242,649,953.91

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Solution

The fourth proportional to 774,397,819.78, 1,161,595,277.93 and 242,649,953.91 is: 363,974,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,397,819.78 : 1,161,595,277.93 = 242,649,953.91 : x
  2. Step 2: Convert to fraction form
    774,397,819.78/1,161,595,277.93 = 242,649,953.91/x
  3. Step 3: Cross multiply
    774,397,819.78x = 1,161,595,277.93 × 242,649,953.91
  4. Step 4: Simplify right side
    774,397,819.78x = 281,861,040,652,394,720
  5. Step 5: Solve for x
    x = 281,861,040,652,394,720/774,397,819.78
  6. Step 6: Final answer
    x = 363,974,475.98

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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.