Home / 1,214,105,389.43-1,821,331,808.69-373,819,229.82

Finding the Fourth Proportional to 1,214,105,389.43, 1,821,331,808.69 and 373,819,229.82

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Solution

The fourth proportional to 1,214,105,389.43, 1,821,331,808.69 and 373,819,229.82 is: 560,782,333.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,105,389.43 : 1,821,331,808.69 = 373,819,229.82 : x
  2. Step 2: Convert to fraction form
    1,214,105,389.43/1,821,331,808.69 = 373,819,229.82/x
  3. Step 3: Cross multiply
    1,214,105,389.43x = 1,821,331,808.69 × 373,819,229.82
  4. Step 4: Simplify right side
    1,214,105,389.43x = 680,848,853,969,294,208
  5. Step 5: Solve for x
    x = 680,848,853,969,294,208/1,214,105,389.43
  6. Step 6: Final answer
    x = 560,782,333.97

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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.