Home / 383,624,403.75-529,400,681.43-214,076,863.79

Finding the Fourth Proportional to 383,624,403.75, 529,400,681.43 and 214,076,863.79

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Solution

The fourth proportional to 383,624,403.75, 529,400,681.43 and 214,076,863.79 is: 295,425,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,624,403.75 : 529,400,681.43 = 214,076,863.79 : x
  2. Step 2: Convert to fraction form
    383,624,403.75/529,400,681.43 = 214,076,863.79/x
  3. Step 3: Cross multiply
    383,624,403.75x = 529,400,681.43 × 214,076,863.79
  4. Step 4: Simplify right side
    383,624,403.75x = 113,332,437,568,964,320
  5. Step 5: Solve for x
    x = 113,332,437,568,964,320/383,624,403.75
  6. Step 6: Final answer
    x = 295,425,516.37

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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.