Home / 404,572,935.20-558,310,652.55-218,933,952.74

Finding the Fourth Proportional to 404,572,935.20, 558,310,652.55 and 218,933,952.74

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Solution

The fourth proportional to 404,572,935.20, 558,310,652.55 and 218,933,952.74 is: 302,128,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572,935.20 : 558,310,652.55 = 218,933,952.74 : x
  2. Step 2: Convert to fraction form
    404,572,935.20/558,310,652.55 = 218,933,952.74/x
  3. Step 3: Cross multiply
    404,572,935.20x = 558,310,652.55 × 218,933,952.74
  4. Step 4: Simplify right side
    404,572,935.20x = 122,233,158,019,620,256
  5. Step 5: Solve for x
    x = 122,233,158,019,620,256/404,572,935.20
  6. Step 6: Final answer
    x = 302,128,855.85

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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.