Home / 1,115,324,116.36-1,672,631,236.28-368,200,778.96

Finding the Fourth Proportional to 1,115,324,116.36, 1,672,631,236.28 and 368,200,778.96

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Solution

The fourth proportional to 1,115,324,116.36, 1,672,631,236.28 and 368,200,778.96 is: 552,183,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,324,116.36 : 1,672,631,236.28 = 368,200,778.96 : x
  2. Step 2: Convert to fraction form
    1,115,324,116.36/1,672,631,236.28 = 368,200,778.96/x
  3. Step 3: Cross multiply
    1,115,324,116.36x = 1,672,631,236.28 × 368,200,778.96
  4. Step 4: Simplify right side
    1,115,324,116.36x = 615,864,124,116,225,920
  5. Step 5: Solve for x
    x = 615,864,124,116,225,920/1,115,324,116.36
  6. Step 6: Final answer
    x = 552,183,993.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.