Home / 393,392,004.80-590,088,007.20-297,840,516.80

Finding the Fourth Proportional to 393,392,004.80, 590,088,007.20 and 297,840,516.80

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Solution

The fourth proportional to 393,392,004.80, 590,088,007.20 and 297,840,516.80 is: 446,760,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,392,004.80 : 590,088,007.20 = 297,840,516.80 : x
  2. Step 2: Convert to fraction form
    393,392,004.80/590,088,007.20 = 297,840,516.80/x
  3. Step 3: Cross multiply
    393,392,004.80x = 590,088,007.20 × 297,840,516.80
  4. Step 4: Simplify right side
    393,392,004.80x = 175,752,117,021,930,144
  5. Step 5: Solve for x
    x = 175,752,117,021,930,144/393,392,004.80
  6. Step 6: Final answer
    x = 446,760,775.20

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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.