Home / 404,572,754.28-558,310,401.84-218,933,769.98

Finding the Fourth Proportional to 404,572,754.28, 558,310,401.84 and 218,933,769.98

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Solution

The fourth proportional to 404,572,754.28, 558,310,401.84 and 218,933,769.98 is: 302,128,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572,754.28 : 558,310,401.84 = 218,933,769.98 : x
  2. Step 2: Convert to fraction form
    404,572,754.28/558,310,401.84 = 218,933,769.98/x
  3. Step 3: Cross multiply
    404,572,754.28x = 558,310,401.84 × 218,933,769.98
  4. Step 4: Simplify right side
    404,572,754.28x = 122,233,001,093,879,936
  5. Step 5: Solve for x
    x = 122,233,001,093,879,936/404,572,754.28
  6. Step 6: Final answer
    x = 302,128,603.08

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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.