Home / 27,843,431,927.44-38,424,864,181.39-15,638,287,892.08

Finding the Fourth Proportional to 27,843,431,927.44, 38,424,864,181.39 and 15,638,287,892.08

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Solution

The fourth proportional to 27,843,431,927.44, 38,424,864,181.39 and 15,638,287,892.08 is: 21,581,358,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843,431,927.44 : 38,424,864,181.39 = 15,638,287,892.08 : x
  2. Step 2: Convert to fraction form
    27,843,431,927.44/38,424,864,181.39 = 15,638,287,892.08/x
  3. Step 3: Cross multiply
    27,843,431,927.44x = 38,424,864,181.39 × 15,638,287,892.08
  4. Step 4: Simplify right side
    27,843,431,927.44x = 600,899,088,282,764,967,936
  5. Step 5: Solve for x
    x = 600,899,088,282,764,967,936/27,843,431,927.44
  6. Step 6: Final answer
    x = 21,581,358,571.34

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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.