Home / 296,987,387.20-445,481,080.80-276,831,995.20

Finding the Fourth Proportional to 296,987,387.20, 445,481,080.80 and 276,831,995.20

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Solution

The fourth proportional to 296,987,387.20, 445,481,080.80 and 276,831,995.20 is: 415,247,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,987,387.20 : 445,481,080.80 = 276,831,995.20 : x
  2. Step 2: Convert to fraction form
    296,987,387.20/445,481,080.80 = 276,831,995.20/x
  3. Step 3: Cross multiply
    296,987,387.20x = 445,481,080.80 × 276,831,995.20
  4. Step 4: Simplify right side
    296,987,387.20x = 123,323,416,421,716,416
  5. Step 5: Solve for x
    x = 123,323,416,421,716,416/296,987,387.20
  6. Step 6: Final answer
    x = 415,247,992.80

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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.