Home / 712,054,940.40-1,068,271,367.40-251,945,132.40

Finding the Fourth Proportional to 712,054,940.40, 1,068,271,367.40 and 251,945,132.40

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Solution

The fourth proportional to 712,054,940.40, 1,068,271,367.40 and 251,945,132.40 is: 377,984,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,054,940.40 : 1,068,271,367.40 = 251,945,132.40 : x
  2. Step 2: Convert to fraction form
    712,054,940.40/1,068,271,367.40 = 251,945,132.40/x
  3. Step 3: Cross multiply
    712,054,940.40x = 1,068,271,367.40 × 251,945,132.40
  4. Step 4: Simplify right side
    712,054,940.40x = 269,145,771,098,722,048
  5. Step 5: Solve for x
    x = 269,145,771,098,722,048/712,054,940.40
  6. Step 6: Final answer
    x = 377,984,556.85

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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.