Home / 222,457,538.80-333,686,308.20-213,387,612.40

Finding the Fourth Proportional to 222,457,538.80, 333,686,308.20 and 213,387,612.40

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Solution

The fourth proportional to 222,457,538.80, 333,686,308.20 and 213,387,612.40 is: 320,081,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,457,538.80 : 333,686,308.20 = 213,387,612.40 : x
  2. Step 2: Convert to fraction form
    222,457,538.80/333,686,308.20 = 213,387,612.40/x
  3. Step 3: Cross multiply
    222,457,538.80x = 333,686,308.20 × 213,387,612.40
  4. Step 4: Simplify right side
    222,457,538.80x = 71,204,524,597,368,544
  5. Step 5: Solve for x
    x = 71,204,524,597,368,544/222,457,538.80
  6. Step 6: Final answer
    x = 320,081,418.60

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1.5x scale

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.