Home / 1,321,887,087.20-1,824,194,092.92-727,158,765.44

Finding the Fourth Proportional to 1,321,887,087.20, 1,824,194,092.92 and 727,158,765.44

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Solution

The fourth proportional to 1,321,887,087.20, 1,824,194,092.92 and 727,158,765.44 is: 1,003,473,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,887,087.20 : 1,824,194,092.92 = 727,158,765.44 : x
  2. Step 2: Convert to fraction form
    1,321,887,087.20/1,824,194,092.92 = 727,158,765.44/x
  3. Step 3: Cross multiply
    1,321,887,087.20x = 1,824,194,092.92 × 727,158,765.44
  4. Step 4: Simplify right side
    1,321,887,087.20x = 1,326,478,724,530,648,064
  5. Step 5: Solve for x
    x = 1,326,478,724,530,648,064/1,321,887,087.20
  6. Step 6: Final answer
    x = 1,003,473,547.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.