Home / 539,385,969.60-809,078,954.40-481,943,102.40

Finding the Fourth Proportional to 539,385,969.60, 809,078,954.40 and 481,943,102.40

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Solution

The fourth proportional to 539,385,969.60, 809,078,954.40 and 481,943,102.40 is: 722,914,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,385,969.60 : 809,078,954.40 = 481,943,102.40 : x
  2. Step 2: Convert to fraction form
    539,385,969.60/809,078,954.40 = 481,943,102.40/x
  3. Step 3: Cross multiply
    539,385,969.60x = 809,078,954.40 × 481,943,102.40
  4. Step 4: Simplify right side
    539,385,969.60x = 389,930,021,370,084,096
  5. Step 5: Solve for x
    x = 389,930,021,370,084,096/539,385,969.60
  6. Step 6: Final answer
    x = 722,914,653.60

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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.