Home / 535,737,604.83-739,151,100.21-309,594,201.98

Finding the Fourth Proportional to 535,737,604.83, 739,151,100.21 and 309,594,201.98

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Solution

The fourth proportional to 535,737,604.83, 739,151,100.21 and 309,594,201.98 is: 427,143,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,737,604.83 : 739,151,100.21 = 309,594,201.98 : x
  2. Step 2: Convert to fraction form
    535,737,604.83/739,151,100.21 = 309,594,201.98/x
  3. Step 3: Cross multiply
    535,737,604.83x = 739,151,100.21 × 309,594,201.98
  4. Step 4: Simplify right side
    535,737,604.83x = 228,836,895,007,869,984
  5. Step 5: Solve for x
    x = 228,836,895,007,869,984/535,737,604.83
  6. Step 6: Final answer
    x = 427,143,610.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.