Home / 534,263,954.40-800,929,371.60-206,962,783.20

Finding the Fourth Proportional to 534,263,954.40, 800,929,371.60 and 206,962,783.20

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Solution

The fourth proportional to 534,263,954.40, 800,929,371.60 and 206,962,783.20 is: 310,263,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,263,954.40 : 800,929,371.60 = 206,962,783.20 : x
  2. Step 2: Convert to fraction form
    534,263,954.40/800,929,371.60 = 206,962,783.20/x
  3. Step 3: Cross multiply
    534,263,954.40x = 800,929,371.60 × 206,962,783.20
  4. Step 4: Simplify right side
    534,263,954.40x = 165,762,571,892,963,040
  5. Step 5: Solve for x
    x = 165,762,571,892,963,040/534,263,954.40
  6. Step 6: Final answer
    x = 310,263,439.13

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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.