Home / 412,296,569.62-618,739,914.88-149,980,613.52

Finding the Fourth Proportional to 412,296,569.62, 618,739,914.88 and 149,980,613.52

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Solution

The fourth proportional to 412,296,569.62, 618,739,914.88 and 149,980,613.52 is: 225,078,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,296,569.62 : 618,739,914.88 = 149,980,613.52 : x
  2. Step 2: Convert to fraction form
    412,296,569.62/618,739,914.88 = 149,980,613.52/x
  3. Step 3: Cross multiply
    412,296,569.62x = 618,739,914.88 × 149,980,613.52
  4. Step 4: Simplify right side
    412,296,569.62x = 92,798,992,043,014,976
  5. Step 5: Solve for x
    x = 92,798,992,043,014,976/412,296,569.62
  6. Step 6: Final answer
    x = 225,078,254.06

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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.