Home / 791,345,691.48-1,092,187,823.58-439,035,189.24

Finding the Fourth Proportional to 791,345,691.48, 1,092,187,823.58 and 439,035,189.24

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Solution

The fourth proportional to 791,345,691.48, 1,092,187,823.58 and 439,035,189.24 is: 605,941,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,345,691.48 : 1,092,187,823.58 = 439,035,189.24 : x
  2. Step 2: Convert to fraction form
    791,345,691.48/1,092,187,823.58 = 439,035,189.24/x
  3. Step 3: Cross multiply
    791,345,691.48x = 1,092,187,823.58 × 439,035,189.24
  4. Step 4: Simplify right side
    791,345,691.48x = 479,508,887,811,068,992
  5. Step 5: Solve for x
    x = 479,508,887,811,068,992/791,345,691.48
  6. Step 6: Final answer
    x = 605,941,111.42

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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.