Home / 648,177,171.84-972,267,252.40-373,622,793.82

Finding the Fourth Proportional to 648,177,171.84, 972,267,252.40 and 373,622,793.82

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Solution

The fourth proportional to 648,177,171.84, 972,267,252.40 and 373,622,793.82 is: 560,435,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,177,171.84 : 972,267,252.40 = 373,622,793.82 : x
  2. Step 2: Convert to fraction form
    648,177,171.84/972,267,252.40 = 373,622,793.82/x
  3. Step 3: Cross multiply
    648,177,171.84x = 972,267,252.40 × 373,622,793.82
  4. Step 4: Simplify right side
    648,177,171.84x = 363,261,207,181,383,104
  5. Step 5: Solve for x
    x = 363,261,207,181,383,104/648,177,171.84
  6. Step 6: Final answer
    x = 560,435,052.27

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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.