Home / 344,884,067.30-475,868,965.08-198,178,007.78

Finding the Fourth Proportional to 344,884,067.30, 475,868,965.08 and 198,178,007.78

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Solution

The fourth proportional to 344,884,067.30, 475,868,965.08 and 198,178,007.78 is: 273,444,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,884,067.30 : 475,868,965.08 = 198,178,007.78 : x
  2. Step 2: Convert to fraction form
    344,884,067.30/475,868,965.08 = 198,178,007.78/x
  3. Step 3: Cross multiply
    344,884,067.30x = 475,868,965.08 × 198,178,007.78
  4. Step 4: Simplify right side
    344,884,067.30x = 94,306,763,463,884,784
  5. Step 5: Solve for x
    x = 94,306,763,463,884,784/344,884,067.30
  6. Step 6: Final answer
    x = 273,444,825.10

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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.