Home / 6,638,112,305.40-9,957,672,342.90-1,979,622,679.80

Finding the Fourth Proportional to 6,638,112,305.40, 9,957,672,342.90 and 1,979,622,679.80

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Solution

The fourth proportional to 6,638,112,305.40, 9,957,672,342.90 and 1,979,622,679.80 is: 2,969,584,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,112,305.40 : 9,957,672,342.90 = 1,979,622,679.80 : x
  2. Step 2: Convert to fraction form
    6,638,112,305.40/9,957,672,342.90 = 1,979,622,679.80/x
  3. Step 3: Cross multiply
    6,638,112,305.40x = 9,957,672,342.90 × 1,979,622,679.80
  4. Step 4: Simplify right side
    6,638,112,305.40x = 19,712,434,008,022,040,576
  5. Step 5: Solve for x
    x = 19,712,434,008,022,040,576/6,638,112,305.40
  6. Step 6: Final answer
    x = 2,969,584,288.59

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1.5x scale

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.