Home / 400,109,839.92-552,158,116.81-219,053,800.98

Finding the Fourth Proportional to 400,109,839.92, 552,158,116.81 and 219,053,800.98

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Solution

The fourth proportional to 400,109,839.92, 552,158,116.81 and 219,053,800.98 is: 302,297,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,109,839.92 : 552,158,116.81 = 219,053,800.98 : x
  2. Step 2: Convert to fraction form
    400,109,839.92/552,158,116.81 = 219,053,800.98/x
  3. Step 3: Cross multiply
    400,109,839.92x = 552,158,116.81 × 219,053,800.98
  4. Step 4: Simplify right side
    400,109,839.92x = 120,952,334,228,641,696
  5. Step 5: Solve for x
    x = 120,952,334,228,641,696/400,109,839.92
  6. Step 6: Final answer
    x = 302,297,824.65

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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.