Home / 404,755,991.85-558,563,455.61-219,117,007.53

Finding the Fourth Proportional to 404,755,991.85, 558,563,455.61 and 219,117,007.53

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Solution

The fourth proportional to 404,755,991.85, 558,563,455.61 and 219,117,007.53 is: 302,381,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,755,991.85 : 558,563,455.61 = 219,117,007.53 : x
  2. Step 2: Convert to fraction form
    404,755,991.85/558,563,455.61 = 219,117,007.53/x
  3. Step 3: Cross multiply
    404,755,991.85x = 558,563,455.61 × 219,117,007.53
  4. Step 4: Simplify right side
    404,755,991.85x = 122,390,752,908,879,200
  5. Step 5: Solve for x
    x = 122,390,752,908,879,200/404,755,991.85
  6. Step 6: Final answer
    x = 302,381,571.55

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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.