Home / 38,672,805,561.16-53,368,474,240.78-21,525,290,845.98

Finding the Fourth Proportional to 38,672,805,561.16, 53,368,474,240.78 and 21,525,290,845.98

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Solution

The fourth proportional to 38,672,805,561.16, 53,368,474,240.78 and 21,525,290,845.98 is: 29,704,902,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672,805,561.16 : 53,368,474,240.78 = 21,525,290,845.98 : x
  2. Step 2: Convert to fraction form
    38,672,805,561.16/53,368,474,240.78 = 21,525,290,845.98/x
  3. Step 3: Cross multiply
    38,672,805,561.16x = 53,368,474,240.78 × 21,525,290,845.98
  4. Step 4: Simplify right side
    38,672,805,561.16x = 1,148,771,930,038,981,099,520
  5. Step 5: Solve for x
    x = 1,148,771,930,038,981,099,520/38,672,805,561.16
  6. Step 6: Final answer
    x = 29,704,902,795.90

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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.