Home / 38,846,038,517.49-53,607,616,233.41-21,929,686,072.02

Finding the Fourth Proportional to 38,846,038,517.49, 53,607,616,233.41 and 21,929,686,072.02

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Solution

The fourth proportional to 38,846,038,517.49, 53,607,616,233.41 and 21,929,686,072.02 is: 30,263,013,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,846,038,517.49 : 53,607,616,233.41 = 21,929,686,072.02 : x
  2. Step 2: Convert to fraction form
    38,846,038,517.49/53,607,616,233.41 = 21,929,686,072.02/x
  3. Step 3: Cross multiply
    38,846,038,517.49x = 53,607,616,233.41 × 21,929,686,072.02
  4. Step 4: Simplify right side
    38,846,038,517.49x = 1,175,598,195,067,843,641,344
  5. Step 5: Solve for x
    x = 1,175,598,195,067,843,641,344/38,846,038,517.49
  6. Step 6: Final answer
    x = 30,263,013,679.98

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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.