Home / 872,293,972.50-1,308,452,355.66-290,028,218.04

Finding the Fourth Proportional to 872,293,972.50, 1,308,452,355.66 and 290,028,218.04

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Solution

The fourth proportional to 872,293,972.50, 1,308,452,355.66 and 290,028,218.04 is: 435,046,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,293,972.50 : 1,308,452,355.66 = 290,028,218.04 : x
  2. Step 2: Convert to fraction form
    872,293,972.50/1,308,452,355.66 = 290,028,218.04/x
  3. Step 3: Cross multiply
    872,293,972.50x = 1,308,452,355.66 × 290,028,218.04
  4. Step 4: Simplify right side
    872,293,972.50x = 379,488,105,103,383,296
  5. Step 5: Solve for x
    x = 379,488,105,103,383,296/872,293,972.50
  6. Step 6: Final answer
    x = 435,046,116.41

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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.