Home / 5,105,979,881.50-7,661,296,961.97-2,620,586,158.53

Finding the Fourth Proportional to 5,105,979,881.50, 7,661,296,961.97 and 2,620,586,158.53

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Solution

The fourth proportional to 5,105,979,881.50, 7,661,296,961.97 and 2,620,586,158.53 is: 3,932,073,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,979,881.50 : 7,661,296,961.97 = 2,620,586,158.53 : x
  2. Step 2: Convert to fraction form
    5,105,979,881.50/7,661,296,961.97 = 2,620,586,158.53/x
  3. Step 3: Cross multiply
    5,105,979,881.50x = 7,661,296,961.97 × 2,620,586,158.53
  4. Step 4: Simplify right side
    5,105,979,881.50x = 20,077,088,774,926,524,416
  5. Step 5: Solve for x
    x = 20,077,088,774,926,524,416/5,105,979,881.50
  6. Step 6: Final answer
    x = 3,932,073,615.81

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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.