Home / 374,567,508.48-516,923,243.52-209,545,236.48

Finding the Fourth Proportional to 374,567,508.48, 516,923,243.52 and 209,545,236.48

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Solution

The fourth proportional to 374,567,508.48, 516,923,243.52 and 209,545,236.48 is: 289,183,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,567,508.48 : 516,923,243.52 = 209,545,236.48 : x
  2. Step 2: Convert to fraction form
    374,567,508.48/516,923,243.52 = 209,545,236.48/x
  3. Step 3: Cross multiply
    374,567,508.48x = 516,923,243.52 × 209,545,236.48
  4. Step 4: Simplify right side
    374,567,508.48x = 108,318,803,305,407,024
  5. Step 5: Solve for x
    x = 108,318,803,305,407,024/374,567,508.48
  6. Step 6: Final answer
    x = 289,183,660.76

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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.