Home / 9,431,151,407.68-13,015,029,405.12-5,144,458,144.96

Finding the Fourth Proportional to 9,431,151,407.68, 13,015,029,405.12 and 5,144,458,144.96

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Solution

The fourth proportional to 9,431,151,407.68, 13,015,029,405.12 and 5,144,458,144.96 is: 7,099,374,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,151,407.68 : 13,015,029,405.12 = 5,144,458,144.96 : x
  2. Step 2: Convert to fraction form
    9,431,151,407.68/13,015,029,405.12 = 5,144,458,144.96/x
  3. Step 3: Cross multiply
    9,431,151,407.68x = 13,015,029,405.12 × 5,144,458,144.96
  4. Step 4: Simplify right side
    9,431,151,407.68x = 66,955,274,030,063,493,120
  5. Step 5: Solve for x
    x = 66,955,274,030,063,493,120/9,431,151,407.68
  6. Step 6: Final answer
    x = 7,099,374,311.34

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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.