Home / 405,016,047.39-558,922,164.30-219,377,062.92

Finding the Fourth Proportional to 405,016,047.39, 558,922,164.30 and 219,377,062.92

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Solution

The fourth proportional to 405,016,047.39, 558,922,164.30 and 219,377,062.92 is: 302,740,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,016,047.39 : 558,922,164.30 = 219,377,062.92 : x
  2. Step 2: Convert to fraction form
    405,016,047.39/558,922,164.30 = 219,377,062.92/x
  3. Step 3: Cross multiply
    405,016,047.39x = 558,922,164.30 × 219,377,062.92
  4. Step 4: Simplify right side
    405,016,047.39x = 122,614,702,805,023,664
  5. Step 5: Solve for x
    x = 122,614,702,805,023,664/405,016,047.39
  6. Step 6: Final answer
    x = 302,740,357.07

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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.