Home / 1,684,335,602.78-2,324,227,144.34-931,632,578.78

Finding the Fourth Proportional to 1,684,335,602.78, 2,324,227,144.34 and 931,632,578.78

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Solution

The fourth proportional to 1,684,335,602.78, 2,324,227,144.34 and 931,632,578.78 is: 1,285,566,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,335,602.78 : 2,324,227,144.34 = 931,632,578.78 : x
  2. Step 2: Convert to fraction form
    1,684,335,602.78/2,324,227,144.34 = 931,632,578.78/x
  3. Step 3: Cross multiply
    1,684,335,602.78x = 2,324,227,144.34 × 931,632,578.78
  4. Step 4: Simplify right side
    1,684,335,602.78x = 2,165,325,728,151,949,568
  5. Step 5: Solve for x
    x = 2,165,325,728,151,949,568/1,684,335,602.78
  6. Step 6: Final answer
    x = 1,285,566,679.57

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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.