Home / 296,783,998.80-445,175,998.20-263,905,515.60

Finding the Fourth Proportional to 296,783,998.80, 445,175,998.20 and 263,905,515.60

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Solution

The fourth proportional to 296,783,998.80, 445,175,998.20 and 263,905,515.60 is: 395,858,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,783,998.80 : 445,175,998.20 = 263,905,515.60 : x
  2. Step 2: Convert to fraction form
    296,783,998.80/445,175,998.20 = 263,905,515.60/x
  3. Step 3: Cross multiply
    296,783,998.80x = 445,175,998.20 × 263,905,515.60
  4. Step 4: Simplify right side
    296,783,998.80x = 117,484,401,337,715,664
  5. Step 5: Solve for x
    x = 117,484,401,337,715,664/296,783,998.80
  6. Step 6: Final answer
    x = 395,858,273.40

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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.