Home / 338,186,221.12-506,418,172.80-222,821,008.48

Finding the Fourth Proportional to 338,186,221.12, 506,418,172.80 and 222,821,008.48

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Solution

The fourth proportional to 338,186,221.12, 506,418,172.80 and 222,821,008.48 is: 333,664,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,186,221.12 : 506,418,172.80 = 222,821,008.48 : x
  2. Step 2: Convert to fraction form
    338,186,221.12/506,418,172.80 = 222,821,008.48/x
  3. Step 3: Cross multiply
    338,186,221.12x = 506,418,172.80 × 222,821,008.48
  4. Step 4: Simplify right side
    338,186,221.12x = 112,840,607,975,894,896
  5. Step 5: Solve for x
    x = 112,840,607,975,894,896/338,186,221.12
  6. Step 6: Final answer
    x = 333,664,120.32

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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.