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Finding the Fourth Proportional to 531,291,080.84, 733,416,791.47 and 343,211,080.13

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Solution

The fourth proportional to 531,291,080.84, 733,416,791.47 and 343,211,080.13 is: 473,783,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,291,080.84 : 733,416,791.47 = 343,211,080.13 : x
  2. Step 2: Convert to fraction form
    531,291,080.84/733,416,791.47 = 343,211,080.13/x
  3. Step 3: Cross multiply
    531,291,080.84x = 733,416,791.47 × 343,211,080.13
  4. Step 4: Simplify right side
    531,291,080.84x = 251,716,769,182,230,592
  5. Step 5: Solve for x
    x = 251,716,769,182,230,592/531,291,080.84
  6. Step 6: Final answer
    x = 473,783,163.81

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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.