Home / 304,718,288.87-420,665,952.27-193,323,006.47

Finding the Fourth Proportional to 304,718,288.87, 420,665,952.27 and 193,323,006.47

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Solution

The fourth proportional to 304,718,288.87, 420,665,952.27 and 193,323,006.47 is: 266,883,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,718,288.87 : 420,665,952.27 = 193,323,006.47 : x
  2. Step 2: Convert to fraction form
    304,718,288.87/420,665,952.27 = 193,323,006.47/x
  3. Step 3: Cross multiply
    304,718,288.87x = 420,665,952.27 × 193,323,006.47
  4. Step 4: Simplify right side
    304,718,288.87x = 81,324,406,610,298,592
  5. Step 5: Solve for x
    x = 81,324,406,610,298,592/304,718,288.87
  6. Step 6: Final answer
    x = 266,883,904.19

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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.