Home / 440,941,559.54-661,414,072.50-178,631,065.46

Finding the Fourth Proportional to 440,941,559.54, 661,414,072.50 and 178,631,065.46

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Solution

The fourth proportional to 440,941,559.54, 661,414,072.50 and 178,631,065.46 is: 267,947,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,941,559.54 : 661,414,072.50 = 178,631,065.46 : x
  2. Step 2: Convert to fraction form
    440,941,559.54/661,414,072.50 = 178,631,065.46/x
  3. Step 3: Cross multiply
    440,941,559.54x = 661,414,072.50 × 178,631,065.46
  4. Step 4: Simplify right side
    440,941,559.54x = 118,149,100,480,912,688
  5. Step 5: Solve for x
    x = 118,149,100,480,912,688/440,941,559.54
  6. Step 6: Final answer
    x = 267,947,300.33

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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.