Home / 6,521,561,905.40-9,782,342,858.10-5,511,398,852.60

Finding the Fourth Proportional to 6,521,561,905.40, 9,782,342,858.10 and 5,511,398,852.60

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Solution

The fourth proportional to 6,521,561,905.40, 9,782,342,858.10 and 5,511,398,852.60 is: 8,267,098,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521,561,905.40 : 9,782,342,858.10 = 5,511,398,852.60 : x
  2. Step 2: Convert to fraction form
    6,521,561,905.40/9,782,342,858.10 = 5,511,398,852.60/x
  3. Step 3: Cross multiply
    6,521,561,905.40x = 9,782,342,858.10 × 5,511,398,852.60
  4. Step 4: Simplify right side
    6,521,561,905.40x = 53,914,393,203,872,153,600
  5. Step 5: Solve for x
    x = 53,914,393,203,872,153,600/6,521,561,905.40
  6. Step 6: Final answer
    x = 8,267,098,278.90

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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.