Home / 368,695,905.97-508,800,554.37-199,150,142.94

Finding the Fourth Proportional to 368,695,905.97, 508,800,554.37 and 199,150,142.94

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Solution

The fourth proportional to 368,695,905.97, 508,800,554.37 and 199,150,142.94 is: 274,827,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,695,905.97 : 508,800,554.37 = 199,150,142.94 : x
  2. Step 2: Convert to fraction form
    368,695,905.97/508,800,554.37 = 199,150,142.94/x
  3. Step 3: Cross multiply
    368,695,905.97x = 508,800,554.37 × 199,150,142.94
  4. Step 4: Simplify right side
    368,695,905.97x = 101,327,703,130,736,736
  5. Step 5: Solve for x
    x = 101,327,703,130,736,736/368,695,905.97
  6. Step 6: Final answer
    x = 274,827,307.52

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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.