Home / 38,983,145,449.39-53,797,056,587.86-21,602,345,991.15

Finding the Fourth Proportional to 38,983,145,449.39, 53,797,056,587.86 and 21,602,345,991.15

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Solution

The fourth proportional to 38,983,145,449.39, 53,797,056,587.86 and 21,602,345,991.15 is: 29,811,412,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983,145,449.39 : 53,797,056,587.86 = 21,602,345,991.15 : x
  2. Step 2: Convert to fraction form
    38,983,145,449.39/53,797,056,587.86 = 21,602,345,991.15/x
  3. Step 3: Cross multiply
    38,983,145,449.39x = 53,797,056,587.86 × 21,602,345,991.15
  4. Step 4: Simplify right side
    38,983,145,449.39x = 1,162,142,629,716,255,178,752
  5. Step 5: Solve for x
    x = 1,162,142,629,716,255,178,752/38,983,145,449.39
  6. Step 6: Final answer
    x = 29,811,412,504.54

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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.