Home / 805,536,192.80-1,208,304,289.20-714,762,279.20

Finding the Fourth Proportional to 805,536,192.80, 1,208,304,289.20 and 714,762,279.20

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Solution

The fourth proportional to 805,536,192.80, 1,208,304,289.20 and 714,762,279.20 is: 1,072,143,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,536,192.80 : 1,208,304,289.20 = 714,762,279.20 : x
  2. Step 2: Convert to fraction form
    805,536,192.80/1,208,304,289.20 = 714,762,279.20/x
  3. Step 3: Cross multiply
    805,536,192.80x = 1,208,304,289.20 × 714,762,279.20
  4. Step 4: Simplify right side
    805,536,192.80x = 863,650,327,715,728,000
  5. Step 5: Solve for x
    x = 863,650,327,715,728,000/805,536,192.80
  6. Step 6: Final answer
    x = 1,072,143,418.80

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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.