Home / 399,628,313.04-551,499,188.04-223,423,732.56

Finding the Fourth Proportional to 399,628,313.04, 551,499,188.04 and 223,423,732.56

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Solution

The fourth proportional to 399,628,313.04, 551,499,188.04 and 223,423,732.56 is: 308,331,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,628,313.04 : 551,499,188.04 = 223,423,732.56 : x
  2. Step 2: Convert to fraction form
    399,628,313.04/551,499,188.04 = 223,423,732.56/x
  3. Step 3: Cross multiply
    399,628,313.04x = 551,499,188.04 × 223,423,732.56
  4. Step 4: Simplify right side
    399,628,313.04x = 123,218,007,095,706,096
  5. Step 5: Solve for x
    x = 123,218,007,095,706,096/399,628,313.04
  6. Step 6: Final answer
    x = 308,331,524.76

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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.