Home / 395,292,185.22-545,503,254.84-219,091,543.86

Finding the Fourth Proportional to 395,292,185.22, 545,503,254.84 and 219,091,543.86

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Solution

The fourth proportional to 395,292,185.22, 545,503,254.84 and 219,091,543.86 is: 302,346,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,292,185.22 : 545,503,254.84 = 219,091,543.86 : x
  2. Step 2: Convert to fraction form
    395,292,185.22/545,503,254.84 = 219,091,543.86/x
  3. Step 3: Cross multiply
    395,292,185.22x = 545,503,254.84 × 219,091,543.86
  4. Step 4: Simplify right side
    395,292,185.22x = 119,515,150,283,550,640
  5. Step 5: Solve for x
    x = 119,515,150,283,550,640/395,292,185.22
  6. Step 6: Final answer
    x = 302,346,352.27

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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.