Home / 392,318,031.36-541,360,131.84-218,493,949.44

Finding the Fourth Proportional to 392,318,031.36, 541,360,131.84 and 218,493,949.44

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Solution

The fourth proportional to 392,318,031.36, 541,360,131.84 and 218,493,949.44 is: 301,500,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,318,031.36 : 541,360,131.84 = 218,493,949.44 : x
  2. Step 2: Convert to fraction form
    392,318,031.36/541,360,131.84 = 218,493,949.44/x
  3. Step 3: Cross multiply
    392,318,031.36x = 541,360,131.84 × 218,493,949.44
  4. Step 4: Simplify right side
    392,318,031.36x = 118,283,913,275,080,704
  5. Step 5: Solve for x
    x = 118,283,913,275,080,704/392,318,031.36
  6. Step 6: Final answer
    x = 301,500,068.36

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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.