Home / 611,438,148.18-917,131,603.32-196,905,793.86

Finding the Fourth Proportional to 611,438,148.18, 917,131,603.32 and 196,905,793.86

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Solution

The fourth proportional to 611,438,148.18, 917,131,603.32 and 196,905,793.86 is: 295,350,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,438,148.18 : 917,131,603.32 = 196,905,793.86 : x
  2. Step 2: Convert to fraction form
    611,438,148.18/917,131,603.32 = 196,905,793.86/x
  3. Step 3: Cross multiply
    611,438,148.18x = 917,131,603.32 × 196,905,793.86
  4. Step 4: Simplify right side
    611,438,148.18x = 180,588,526,425,819,232
  5. Step 5: Solve for x
    x = 180,588,526,425,819,232/611,438,148.18
  6. Step 6: Final answer
    x = 295,350,440.54

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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.