Home / 5,390,858,932.23-7,439,770,291.20-2,979,489,550.26

Finding the Fourth Proportional to 5,390,858,932.23, 7,439,770,291.20 and 2,979,489,550.26

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Solution

The fourth proportional to 5,390,858,932.23, 7,439,770,291.20 and 2,979,489,550.26 is: 4,111,908,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,858,932.23 : 7,439,770,291.20 = 2,979,489,550.26 : x
  2. Step 2: Convert to fraction form
    5,390,858,932.23/7,439,770,291.20 = 2,979,489,550.26/x
  3. Step 3: Cross multiply
    5,390,858,932.23x = 7,439,770,291.20 × 2,979,489,550.26
  4. Step 4: Simplify right side
    5,390,858,932.23x = 22,166,717,838,965,198,848
  5. Step 5: Solve for x
    x = 22,166,717,838,965,198,848/5,390,858,932.23
  6. Step 6: Final answer
    x = 4,111,908,346.63

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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.