Home / 719,469,801.34-1,079,307,649.80-221,522,447.56

Finding the Fourth Proportional to 719,469,801.34, 1,079,307,649.80 and 221,522,447.56

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Solution

The fourth proportional to 719,469,801.34, 1,079,307,649.80 and 221,522,447.56 is: 332,315,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,469,801.34 : 1,079,307,649.80 = 221,522,447.56 : x
  2. Step 2: Convert to fraction form
    719,469,801.34/1,079,307,649.80 = 221,522,447.56/x
  3. Step 3: Cross multiply
    719,469,801.34x = 1,079,307,649.80 × 221,522,447.56
  4. Step 4: Simplify right side
    719,469,801.34x = 239,090,872,253,927,328
  5. Step 5: Solve for x
    x = 239,090,872,253,927,328/719,469,801.34
  6. Step 6: Final answer
    x = 332,315,368.63

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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.