Home / 27,843,431,927.76-38,424,864,181.83-15,638,287,892.40

Finding the Fourth Proportional to 27,843,431,927.76, 38,424,864,181.83 and 15,638,287,892.40

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Solution

The fourth proportional to 27,843,431,927.76, 38,424,864,181.83 and 15,638,287,892.40 is: 21,581,358,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843,431,927.76 : 38,424,864,181.83 = 15,638,287,892.40 : x
  2. Step 2: Convert to fraction form
    27,843,431,927.76/38,424,864,181.83 = 15,638,287,892.40/x
  3. Step 3: Cross multiply
    27,843,431,927.76x = 38,424,864,181.83 × 15,638,287,892.40
  4. Step 4: Simplify right side
    27,843,431,927.76x = 600,899,088,301,571,833,856
  5. Step 5: Solve for x
    x = 600,899,088,301,571,833,856/27,843,431,927.76
  6. Step 6: Final answer
    x = 21,581,358,571.77

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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.