Home / 449,076,665.70-673,614,998.55-328,144,313.70

Finding the Fourth Proportional to 449,076,665.70, 673,614,998.55 and 328,144,313.70

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Solution

The fourth proportional to 449,076,665.70, 673,614,998.55 and 328,144,313.70 is: 492,216,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,076,665.70 : 673,614,998.55 = 328,144,313.70 : x
  2. Step 2: Convert to fraction form
    449,076,665.70/673,614,998.55 = 328,144,313.70/x
  3. Step 3: Cross multiply
    449,076,665.70x = 673,614,998.55 × 328,144,313.70
  4. Step 4: Simplify right side
    449,076,665.70x = 221,042,931,397,216,224
  5. Step 5: Solve for x
    x = 221,042,931,397,216,224/449,076,665.70
  6. Step 6: Final answer
    x = 492,216,470.55

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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.