Home / 78,372,469,555.56-108,150,892,802.82-46,268,173,440.36

Finding the Fourth Proportional to 78,372,469,555.56, 108,150,892,802.82 and 46,268,173,440.36

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Solution

The fourth proportional to 78,372,469,555.56, 108,150,892,802.82 and 46,268,173,440.36 is: 63,848,240,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,372,469,555.56 : 108,150,892,802.82 = 46,268,173,440.36 : x
  2. Step 2: Convert to fraction form
    78,372,469,555.56/108,150,892,802.82 = 46,268,173,440.36/x
  3. Step 3: Cross multiply
    78,372,469,555.56x = 108,150,892,802.82 × 46,268,173,440.36
  4. Step 4: Simplify right side
    78,372,469,555.56x = 5,003,944,265,930,658,283,520
  5. Step 5: Solve for x
    x = 5,003,944,265,930,658,283,520/78,372,469,555.56
  6. Step 6: Final answer
    x = 63,848,240,259.72

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1.5x scale

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.