Home / 7,079,944,187.52-9,770,288,913.45-3,908,100,359.07

Finding the Fourth Proportional to 7,079,944,187.52, 9,770,288,913.45 and 3,908,100,359.07

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Solution

The fourth proportional to 7,079,944,187.52, 9,770,288,913.45 and 3,908,100,359.07 is: 5,393,159,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,944,187.52 : 9,770,288,913.45 = 3,908,100,359.07 : x
  2. Step 2: Convert to fraction form
    7,079,944,187.52/9,770,288,913.45 = 3,908,100,359.07/x
  3. Step 3: Cross multiply
    7,079,944,187.52x = 9,770,288,913.45 × 3,908,100,359.07
  4. Step 4: Simplify right side
    7,079,944,187.52x = 38,183,269,610,871,586,816
  5. Step 5: Solve for x
    x = 38,183,269,610,871,586,816/7,079,944,187.52
  6. Step 6: Final answer
    x = 5,393,159,691.59

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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.