Home / 863,040,131.20-1,294,157,720.22-448,405,483.60

Finding the Fourth Proportional to 863,040,131.20, 1,294,157,720.22 and 448,405,483.60

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Solution

The fourth proportional to 863,040,131.20, 1,294,157,720.22 and 448,405,483.60 is: 672,399,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,040,131.20 : 1,294,157,720.22 = 448,405,483.60 : x
  2. Step 2: Convert to fraction form
    863,040,131.20/1,294,157,720.22 = 448,405,483.60/x
  3. Step 3: Cross multiply
    863,040,131.20x = 1,294,157,720.22 × 448,405,483.60
  4. Step 4: Simplify right side
    863,040,131.20x = 580,307,418,389,922,688
  5. Step 5: Solve for x
    x = 580,307,418,389,922,688/863,040,131.20
  6. Step 6: Final answer
    x = 672,399,112.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.