Home / 863,040,132.20-1,294,157,721.72-448,405,484.60

Finding the Fourth Proportional to 863,040,132.20, 1,294,157,721.72 and 448,405,484.60

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Solution

The fourth proportional to 863,040,132.20, 1,294,157,721.72 and 448,405,484.60 is: 672,399,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,040,132.20 : 1,294,157,721.72 = 448,405,484.60 : x
  2. Step 2: Convert to fraction form
    863,040,132.20/1,294,157,721.72 = 448,405,484.60/x
  3. Step 3: Cross multiply
    863,040,132.20x = 1,294,157,721.72 × 448,405,484.60
  4. Step 4: Simplify right side
    863,040,132.20x = 580,307,420,356,688,640
  5. Step 5: Solve for x
    x = 580,307,420,356,688,640/863,040,132.20
  6. Step 6: Final answer
    x = 672,399,114.14

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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.