Home / 300,932,889.24-413,814,738.93-261,171,389.70

Finding the Fourth Proportional to 300,932,889.24, 413,814,738.93 and 261,171,389.70

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Solution

The fourth proportional to 300,932,889.24, 413,814,738.93 and 261,171,389.70 is: 359,138,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,932,889.24 : 413,814,738.93 = 261,171,389.70 : x
  2. Step 2: Convert to fraction form
    300,932,889.24/413,814,738.93 = 261,171,389.70/x
  3. Step 3: Cross multiply
    300,932,889.24x = 413,814,738.93 × 261,171,389.70
  4. Step 4: Simplify right side
    300,932,889.24x = 108,076,570,444,690,784
  5. Step 5: Solve for x
    x = 108,076,570,444,690,784/300,932,889.24
  6. Step 6: Final answer
    x = 359,138,446.84

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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.