Home / 364,477,020.09-502,792,987.13-221,384,705.30

Finding the Fourth Proportional to 364,477,020.09, 502,792,987.13 and 221,384,705.30

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Solution

The fourth proportional to 364,477,020.09, 502,792,987.13 and 221,384,705.30 is: 305,398,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,477,020.09 : 502,792,987.13 = 221,384,705.30 : x
  2. Step 2: Convert to fraction form
    364,477,020.09/502,792,987.13 = 221,384,705.30/x
  3. Step 3: Cross multiply
    364,477,020.09x = 502,792,987.13 × 221,384,705.30
  4. Step 4: Simplify right side
    364,477,020.09x = 111,310,677,279,060,848
  5. Step 5: Solve for x
    x = 111,310,677,279,060,848/364,477,020.09
  6. Step 6: Final answer
    x = 305,398,341.03

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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.