Home / 517,218,213.10-775,827,319.65-323,348,536.30

Finding the Fourth Proportional to 517,218,213.10, 775,827,319.65 and 323,348,536.30

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Solution

The fourth proportional to 517,218,213.10, 775,827,319.65 and 323,348,536.30 is: 485,022,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,218,213.10 : 775,827,319.65 = 323,348,536.30 : x
  2. Step 2: Convert to fraction form
    517,218,213.10/775,827,319.65 = 323,348,536.30/x
  3. Step 3: Cross multiply
    517,218,213.10x = 775,827,319.65 × 323,348,536.30
  4. Step 4: Simplify right side
    517,218,213.10x = 250,862,628,230,379,744
  5. Step 5: Solve for x
    x = 250,862,628,230,379,744/517,218,213.10
  6. Step 6: Final answer
    x = 485,022,804.45

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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.