Home / 331,393,839.04-498,180,504.48-307,422,161.20

Finding the Fourth Proportional to 331,393,839.04, 498,180,504.48 and 307,422,161.20

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Solution

The fourth proportional to 331,393,839.04, 498,180,504.48 and 307,422,161.20 is: 462,144,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,393,839.04 : 498,180,504.48 = 307,422,161.20 : x
  2. Step 2: Convert to fraction form
    331,393,839.04/498,180,504.48 = 307,422,161.20/x
  3. Step 3: Cross multiply
    331,393,839.04x = 498,180,504.48 × 307,422,161.20
  4. Step 4: Simplify right side
    331,393,839.04x = 153,151,727,354,947,872
  5. Step 5: Solve for x
    x = 153,151,727,354,947,872/331,393,839.04
  6. Step 6: Final answer
    x = 462,144,159.95

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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.