Home / 395,283,108.70-545,490,741.71-219,082,479.64

Finding the Fourth Proportional to 395,283,108.70, 545,490,741.71 and 219,082,479.64

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Solution

The fourth proportional to 395,283,108.70, 545,490,741.71 and 219,082,479.64 is: 302,333,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,283,108.70 : 545,490,741.71 = 219,082,479.64 : x
  2. Step 2: Convert to fraction form
    395,283,108.70/545,490,741.71 = 219,082,479.64/x
  3. Step 3: Cross multiply
    395,283,108.70x = 545,490,741.71 × 219,082,479.64
  4. Step 4: Simplify right side
    395,283,108.70x = 119,507,464,316,401,008
  5. Step 5: Solve for x
    x = 119,507,464,316,401,008/395,283,108.70
  6. Step 6: Final answer
    x = 302,333,850.56

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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.