Home / 404,572,539.96-558,310,105.32-218,933,555.70

Finding the Fourth Proportional to 404,572,539.96, 558,310,105.32 and 218,933,555.70

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Solution

The fourth proportional to 404,572,539.96, 558,310,105.32 and 218,933,555.70 is: 302,128,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572,539.96 : 558,310,105.32 = 218,933,555.70 : x
  2. Step 2: Convert to fraction form
    404,572,539.96/558,310,105.32 = 218,933,555.70/x
  3. Step 3: Cross multiply
    404,572,539.96x = 558,310,105.32 × 218,933,555.70
  4. Step 4: Simplify right side
    404,572,539.96x = 122,232,816,540,949,088
  5. Step 5: Solve for x
    x = 122,232,816,540,949,088/404,572,539.96
  6. Step 6: Final answer
    x = 302,128,306.96

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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.