Home / 38,983,145,451.29-53,797,056,590.49-21,602,345,993.04

Finding the Fourth Proportional to 38,983,145,451.29, 53,797,056,590.49 and 21,602,345,993.04

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Solution

The fourth proportional to 38,983,145,451.29, 53,797,056,590.49 and 21,602,345,993.04 is: 29,811,412,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983,145,451.29 : 53,797,056,590.49 = 21,602,345,993.04 : x
  2. Step 2: Convert to fraction form
    38,983,145,451.29/53,797,056,590.49 = 21,602,345,993.04/x
  3. Step 3: Cross multiply
    38,983,145,451.29x = 53,797,056,590.49 × 21,602,345,993.04
  4. Step 4: Simplify right side
    38,983,145,451.29x = 1,162,142,629,874,971,181,056
  5. Step 5: Solve for x
    x = 1,162,142,629,874,971,181,056/38,983,145,451.29
  6. Step 6: Final answer
    x = 29,811,412,507.16

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Double scale
Find fourth proportional to 38,983,145,452.29, 53,797,056,591.87 and 21,602,345,994.04
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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.