Home / 613,121,377.50-919,673,405.42-285,413,599.26

Finding the Fourth Proportional to 613,121,377.50, 919,673,405.42 and 285,413,599.26

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Solution

The fourth proportional to 613,121,377.50, 919,673,405.42 and 285,413,599.26 is: 428,116,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,121,377.50 : 919,673,405.42 = 285,413,599.26 : x
  2. Step 2: Convert to fraction form
    613,121,377.50/919,673,405.42 = 285,413,599.26/x
  3. Step 3: Cross multiply
    613,121,377.50x = 919,673,405.42 × 285,413,599.26
  4. Step 4: Simplify right side
    613,121,377.50x = 262,487,296,784,623,360
  5. Step 5: Solve for x
    x = 262,487,296,784,623,360/613,121,377.50
  6. Step 6: Final answer
    x = 428,116,367.19

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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.