Home / 885,188,286.18-1,221,666,951.75-503,803,049.37

Finding the Fourth Proportional to 885,188,286.18, 1,221,666,951.75 and 503,803,049.37

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Solution

The fourth proportional to 885,188,286.18, 1,221,666,951.75 and 503,803,049.37 is: 695,309,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,188,286.18 : 1,221,666,951.75 = 503,803,049.37 : x
  2. Step 2: Convert to fraction form
    885,188,286.18/1,221,666,951.75 = 503,803,049.37/x
  3. Step 3: Cross multiply
    885,188,286.18x = 1,221,666,951.75 × 503,803,049.37
  4. Step 4: Simplify right side
    885,188,286.18x = 615,479,535,599,707,008
  5. Step 5: Solve for x
    x = 615,479,535,599,707,008/885,188,286.18
  6. Step 6: Final answer
    x = 695,309,173.44

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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.