Home / 1,086,721,243.20-1,630,253,379.12-464,940,504.60

Finding the Fourth Proportional to 1,086,721,243.20, 1,630,253,379.12 and 464,940,504.60

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Solution

The fourth proportional to 1,086,721,243.20, 1,630,253,379.12 and 464,940,504.60 is: 697,484,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,721,243.20 : 1,630,253,379.12 = 464,940,504.60 : x
  2. Step 2: Convert to fraction form
    1,086,721,243.20/1,630,253,379.12 = 464,940,504.60/x
  3. Step 3: Cross multiply
    1,086,721,243.20x = 1,630,253,379.12 × 464,940,504.60
  4. Step 4: Simplify right side
    1,086,721,243.20x = 757,970,828,713,907,840
  5. Step 5: Solve for x
    x = 757,970,828,713,907,840/1,086,721,243.20
  6. Step 6: Final answer
    x = 697,484,137.22

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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.