Home / 354,258,213.23-488,973,571.11-205,627,218.54

Finding the Fourth Proportional to 354,258,213.23, 488,973,571.11 and 205,627,218.54

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Solution

The fourth proportional to 354,258,213.23, 488,973,571.11 and 205,627,218.54 is: 283,822,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,258,213.23 : 488,973,571.11 = 205,627,218.54 : x
  2. Step 2: Convert to fraction form
    354,258,213.23/488,973,571.11 = 205,627,218.54/x
  3. Step 3: Cross multiply
    354,258,213.23x = 488,973,571.11 × 205,627,218.54
  4. Step 4: Simplify right side
    354,258,213.23x = 100,546,275,366,920,192
  5. Step 5: Solve for x
    x = 100,546,275,366,920,192/354,258,213.23
  6. Step 6: Final answer
    x = 283,822,002.18

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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.