Home / 27,598,293,805.15-38,085,570,173.31-15,391,012,180.60

Finding the Fourth Proportional to 27,598,293,805.15, 38,085,570,173.31 and 15,391,012,180.60

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Solution

The fourth proportional to 27,598,293,805.15, 38,085,570,173.31 and 15,391,012,180.60 is: 21,239,554,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,598,293,805.15 : 38,085,570,173.31 = 15,391,012,180.60 : x
  2. Step 2: Convert to fraction form
    27,598,293,805.15/38,085,570,173.31 = 15,391,012,180.60/x
  3. Step 3: Cross multiply
    27,598,293,805.15x = 38,085,570,173.31 × 15,391,012,180.60
  4. Step 4: Simplify right side
    27,598,293,805.15x = 586,175,474,442,510,270,464
  5. Step 5: Solve for x
    x = 586,175,474,442,510,270,464/27,598,293,805.15
  6. Step 6: Final answer
    x = 21,239,554,828.32

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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.