Home / 531,461,467.20-797,192,200.80-485,544,964.80

Finding the Fourth Proportional to 531,461,467.20, 797,192,200.80 and 485,544,964.80

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Solution

The fourth proportional to 531,461,467.20, 797,192,200.80 and 485,544,964.80 is: 728,317,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,461,467.20 : 797,192,200.80 = 485,544,964.80 : x
  2. Step 2: Convert to fraction form
    531,461,467.20/797,192,200.80 = 485,544,964.80/x
  3. Step 3: Cross multiply
    531,461,467.20x = 797,192,200.80 × 485,544,964.80
  4. Step 4: Simplify right side
    531,461,467.20x = 387,072,659,076,270,528
  5. Step 5: Solve for x
    x = 387,072,659,076,270,528/531,461,467.20
  6. Step 6: Final answer
    x = 728,317,447.20

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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.