Home / 12,188,451,659.76-16,803,060,577.92-8,174,839,166.64

Finding the Fourth Proportional to 12,188,451,659.76, 16,803,060,577.92 and 8,174,839,166.64

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Solution

The fourth proportional to 12,188,451,659.76, 16,803,060,577.92 and 8,174,839,166.64 is: 11,269,874,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,451,659.76 : 16,803,060,577.92 = 8,174,839,166.64 : x
  2. Step 2: Convert to fraction form
    12,188,451,659.76/16,803,060,577.92 = 8,174,839,166.64/x
  3. Step 3: Cross multiply
    12,188,451,659.76x = 16,803,060,577.92 × 8,174,839,166.64
  4. Step 4: Simplify right side
    12,188,451,659.76x = 137,362,317,731,804,971,008
  5. Step 5: Solve for x
    x = 137,362,317,731,804,971,008/12,188,451,659.76
  6. Step 6: Final answer
    x = 11,269,874,268.39

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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.