Home / 379,692,320.36-569,593,057.81-117,397,326.66

Finding the Fourth Proportional to 379,692,320.36, 569,593,057.81 and 117,397,326.66

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Solution

The fourth proportional to 379,692,320.36, 569,593,057.81 and 117,397,326.66 is: 176,112,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,692,320.36 : 569,593,057.81 = 117,397,326.66 : x
  2. Step 2: Convert to fraction form
    379,692,320.36/569,593,057.81 = 117,397,326.66/x
  3. Step 3: Cross multiply
    379,692,320.36x = 569,593,057.81 × 117,397,326.66
  4. Step 4: Simplify right side
    379,692,320.36x = 66,868,702,271,981,192
  5. Step 5: Solve for x
    x = 66,868,702,271,981,192/379,692,320.36
  6. Step 6: Final answer
    x = 176,112,864.78

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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.