Home / 628,191,205.48-942,717,231.58-219,247,355.88

Finding the Fourth Proportional to 628,191,205.48, 942,717,231.58 and 219,247,355.88

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Solution

The fourth proportional to 628,191,205.48, 942,717,231.58 and 219,247,355.88 is: 329,021,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,191,205.48 : 942,717,231.58 = 219,247,355.88 : x
  2. Step 2: Convert to fraction form
    628,191,205.48/942,717,231.58 = 219,247,355.88/x
  3. Step 3: Cross multiply
    628,191,205.48x = 942,717,231.58 × 219,247,355.88
  4. Step 4: Simplify right side
    628,191,205.48x = 206,688,260,366,428,640
  5. Step 5: Solve for x
    x = 206,688,260,366,428,640/628,191,205.48
  6. Step 6: Final answer
    x = 329,021,257.48

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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.