Home / 355,976,490.40-533,964,735.60-331,034,192.80

Finding the Fourth Proportional to 355,976,490.40, 533,964,735.60 and 331,034,192.80

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Solution

The fourth proportional to 355,976,490.40, 533,964,735.60 and 331,034,192.80 is: 496,551,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,976,490.40 : 533,964,735.60 = 331,034,192.80 : x
  2. Step 2: Convert to fraction form
    355,976,490.40/533,964,735.60 = 331,034,192.80/x
  3. Step 3: Cross multiply
    355,976,490.40x = 533,964,735.60 × 331,034,192.80
  4. Step 4: Simplify right side
    355,976,490.40x = 176,760,585,233,011,424
  5. Step 5: Solve for x
    x = 176,760,585,233,011,424/355,976,490.40
  6. Step 6: Final answer
    x = 496,551,289.20

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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.