Home / 414,781,974.29-621,738,362.12-193,270,689.66

Finding the Fourth Proportional to 414,781,974.29, 621,738,362.12 and 193,270,689.66

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Solution

The fourth proportional to 414,781,974.29, 621,738,362.12 and 193,270,689.66 is: 289,703,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,781,974.29 : 621,738,362.12 = 193,270,689.66 : x
  2. Step 2: Convert to fraction form
    414,781,974.29/621,738,362.12 = 193,270,689.66/x
  3. Step 3: Cross multiply
    414,781,974.29x = 621,738,362.12 × 193,270,689.66
  4. Step 4: Simplify right side
    414,781,974.29x = 120,163,802,034,044,864
  5. Step 5: Solve for x
    x = 120,163,802,034,044,864/414,781,974.29
  6. Step 6: Final answer
    x = 289,703,529.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.