Home / 405,573,792.54-559,691,982.81-219,934,759.02

Finding the Fourth Proportional to 405,573,792.54, 559,691,982.81 and 219,934,759.02

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Solution

The fourth proportional to 405,573,792.54, 559,691,982.81 and 219,934,759.02 is: 303,510,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,573,792.54 : 559,691,982.81 = 219,934,759.02 : x
  2. Step 2: Convert to fraction form
    405,573,792.54/559,691,982.81 = 219,934,759.02/x
  3. Step 3: Cross multiply
    405,573,792.54x = 559,691,982.81 × 219,934,759.02
  4. Step 4: Simplify right side
    405,573,792.54x = 123,095,721,364,743,328
  5. Step 5: Solve for x
    x = 123,095,721,364,743,328/405,573,792.54
  6. Step 6: Final answer
    x = 303,510,048.30

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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.