Home / 296,783,999.80-445,175,999.70-263,905,516.60

Finding the Fourth Proportional to 296,783,999.80, 445,175,999.70 and 263,905,516.60

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Solution

The fourth proportional to 296,783,999.80, 445,175,999.70 and 263,905,516.60 is: 395,858,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,783,999.80 : 445,175,999.70 = 263,905,516.60 : x
  2. Step 2: Convert to fraction form
    296,783,999.80/445,175,999.70 = 263,905,516.60/x
  3. Step 3: Cross multiply
    296,783,999.80x = 445,175,999.70 × 263,905,516.60
  4. Step 4: Simplify right side
    296,783,999.80x = 117,484,402,178,749,936
  5. Step 5: Solve for x
    x = 117,484,402,178,749,936/296,783,999.80
  6. Step 6: Final answer
    x = 395,858,274.90

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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.