Home / 15,844,326,018.53-21,865,383,101.66-8,610,517,088.03

Finding the Fourth Proportional to 15,844,326,018.53, 21,865,383,101.66 and 8,610,517,088.03

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Solution

The fourth proportional to 15,844,326,018.53, 21,865,383,101.66 and 8,610,517,088.03 is: 11,882,629,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844,326,018.53 : 21,865,383,101.66 = 8,610,517,088.03 : x
  2. Step 2: Convert to fraction form
    15,844,326,018.53/21,865,383,101.66 = 8,610,517,088.03/x
  3. Step 3: Cross multiply
    15,844,326,018.53x = 21,865,383,101.66 × 8,610,517,088.03
  4. Step 4: Simplify right side
    15,844,326,018.53x = 188,272,254,833,177,427,968
  5. Step 5: Solve for x
    x = 188,272,254,833,177,427,968/15,844,326,018.53
  6. Step 6: Final answer
    x = 11,882,629,441.80

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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.