Home / 775,827,286.40-1,163,740,929.60-485,022,771.20

Finding the Fourth Proportional to 775,827,286.40, 1,163,740,929.60 and 485,022,771.20

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Solution

The fourth proportional to 775,827,286.40, 1,163,740,929.60 and 485,022,771.20 is: 727,534,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,827,286.40 : 1,163,740,929.60 = 485,022,771.20 : x
  2. Step 2: Convert to fraction form
    775,827,286.40/1,163,740,929.60 = 485,022,771.20/x
  3. Step 3: Cross multiply
    775,827,286.40x = 1,163,740,929.60 × 485,022,771.20
  4. Step 4: Simplify right side
    775,827,286.40x = 564,440,850,633,456,064
  5. Step 5: Solve for x
    x = 564,440,850,633,456,064/775,827,286.40
  6. Step 6: Final answer
    x = 727,534,156.80

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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.