Home / 404,550,705-558,281,453.22-218,911,722.60

Finding the Fourth Proportional to 404,550,705, 558,281,453.22 and 218,911,722.60

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Solution

The fourth proportional to 404,550,705, 558,281,453.22 and 218,911,722.60 is: 302,098,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,550,705 : 558,281,453.22 = 218,911,722.60 : x
  2. Step 2: Convert to fraction form
    404,550,705/558,281,453.22 = 218,911,722.60/x
  3. Step 3: Cross multiply
    404,550,705x = 558,281,453.22 × 218,911,722.60
  4. Step 4: Simplify right side
    404,550,705x = 122,214,354,620,021,520
  5. Step 5: Solve for x
    x = 122,214,354,620,021,520/404,550,705
  6. Step 6: Final answer
    x = 302,098,978.22

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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.