Home / 38,672,805,560.16-53,368,474,239.40-21,525,290,844.98

Finding the Fourth Proportional to 38,672,805,560.16, 53,368,474,239.40 and 21,525,290,844.98

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Solution

The fourth proportional to 38,672,805,560.16, 53,368,474,239.40 and 21,525,290,844.98 is: 29,704,902,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672,805,560.16 : 53,368,474,239.40 = 21,525,290,844.98 : x
  2. Step 2: Convert to fraction form
    38,672,805,560.16/53,368,474,239.40 = 21,525,290,844.98/x
  3. Step 3: Cross multiply
    38,672,805,560.16x = 53,368,474,239.40 × 21,525,290,844.98
  4. Step 4: Simplify right side
    38,672,805,560.16x = 1,148,771,929,955,640,934,400
  5. Step 5: Solve for x
    x = 1,148,771,929,955,640,934,400/38,672,805,560.16
  6. Step 6: Final answer
    x = 29,704,902,794.51

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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.