Home / 822,661,584.66-1,135,272,800.33-470,245,162.43

Finding the Fourth Proportional to 822,661,584.66, 1,135,272,800.33 and 470,245,162.43

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Solution

The fourth proportional to 822,661,584.66, 1,135,272,800.33 and 470,245,162.43 is: 648,938,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,661,584.66 : 1,135,272,800.33 = 470,245,162.43 : x
  2. Step 2: Convert to fraction form
    822,661,584.66/1,135,272,800.33 = 470,245,162.43/x
  3. Step 3: Cross multiply
    822,661,584.66x = 1,135,272,800.33 × 470,245,162.43
  4. Step 4: Simplify right side
    822,661,584.66x = 533,856,542,398,449,024
  5. Step 5: Solve for x
    x = 533,856,542,398,449,024/822,661,584.66
  6. Step 6: Final answer
    x = 648,938,217.55

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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.