Home / 531,965,519.21-797,256,056.05-216,463,788.59

Finding the Fourth Proportional to 531,965,519.21, 797,256,056.05 and 216,463,788.59

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Solution

The fourth proportional to 531,965,519.21, 797,256,056.05 and 216,463,788.59 is: 324,414,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,965,519.21 : 797,256,056.05 = 216,463,788.59 : x
  2. Step 2: Convert to fraction form
    531,965,519.21/797,256,056.05 = 216,463,788.59/x
  3. Step 3: Cross multiply
    531,965,519.21x = 797,256,056.05 × 216,463,788.59
  4. Step 4: Simplify right side
    531,965,519.21x = 172,577,066,364,376,960
  5. Step 5: Solve for x
    x = 172,577,066,364,376,960/531,965,519.21
  6. Step 6: Final answer
    x = 324,414,008.30

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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.