Home / 9,431,151,408.68-13,015,029,406.50-5,144,458,145.96

Finding the Fourth Proportional to 9,431,151,408.68, 13,015,029,406.50 and 5,144,458,145.96

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Solution

The fourth proportional to 9,431,151,408.68, 13,015,029,406.50 and 5,144,458,145.96 is: 7,099,374,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,151,408.68 : 13,015,029,406.50 = 5,144,458,145.96 : x
  2. Step 2: Convert to fraction form
    9,431,151,408.68/13,015,029,406.50 = 5,144,458,145.96/x
  3. Step 3: Cross multiply
    9,431,151,408.68x = 13,015,029,406.50 × 5,144,458,145.96
  4. Step 4: Simplify right side
    9,431,151,408.68x = 66,955,274,050,177,867,776
  5. Step 5: Solve for x
    x = 66,955,274,050,177,867,776/9,431,151,408.68
  6. Step 6: Final answer
    x = 7,099,374,312.72

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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.