Home / 340,337,174.61-469,689,353.19-189,639,834.02

Finding the Fourth Proportional to 340,337,174.61, 469,689,353.19 and 189,639,834.02

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Solution

The fourth proportional to 340,337,174.61, 469,689,353.19 and 189,639,834.02 is: 261,716,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,337,174.61 : 469,689,353.19 = 189,639,834.02 : x
  2. Step 2: Convert to fraction form
    340,337,174.61/469,689,353.19 = 189,639,834.02/x
  3. Step 3: Cross multiply
    340,337,174.61x = 469,689,353.19 × 189,639,834.02
  4. Step 4: Simplify right side
    340,337,174.61x = 89,071,810,981,086,992
  5. Step 5: Solve for x
    x = 89,071,810,981,086,992/340,337,174.61
  6. Step 6: Final answer
    x = 261,716,373.13

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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.