Home / 805,536,186.80-1,208,304,280.20-714,762,273.20

Finding the Fourth Proportional to 805,536,186.80, 1,208,304,280.20 and 714,762,273.20

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Solution

The fourth proportional to 805,536,186.80, 1,208,304,280.20 and 714,762,273.20 is: 1,072,143,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,536,186.80 : 1,208,304,280.20 = 714,762,273.20 : x
  2. Step 2: Convert to fraction form
    805,536,186.80/1,208,304,280.20 = 714,762,273.20/x
  3. Step 3: Cross multiply
    805,536,186.80x = 1,208,304,280.20 × 714,762,273.20
  4. Step 4: Simplify right side
    805,536,186.80x = 863,650,314,033,041,792
  5. Step 5: Solve for x
    x = 863,650,314,033,041,792/805,536,186.80
  6. Step 6: Final answer
    x = 1,072,143,409.80

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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.