Home / 38,672,805,562.41-53,368,474,242.52-21,525,290,847.24

Finding the Fourth Proportional to 38,672,805,562.41, 53,368,474,242.52 and 21,525,290,847.24

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Solution

The fourth proportional to 38,672,805,562.41, 53,368,474,242.52 and 21,525,290,847.24 is: 29,704,902,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672,805,562.41 : 53,368,474,242.52 = 21,525,290,847.24 : x
  2. Step 2: Convert to fraction form
    38,672,805,562.41/53,368,474,242.52 = 21,525,290,847.24/x
  3. Step 3: Cross multiply
    38,672,805,562.41x = 53,368,474,242.52 × 21,525,290,847.24
  4. Step 4: Simplify right side
    38,672,805,562.41x = 1,148,771,930,143,465,930,752
  5. Step 5: Solve for x
    x = 1,148,771,930,143,465,930,752/38,672,805,562.41
  6. Step 6: Final answer
    x = 29,704,902,797.64

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Double scale
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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.