Home / 1,116,531,933.68-1,674,979,825.70-329,665,126.52

Finding the Fourth Proportional to 1,116,531,933.68, 1,674,979,825.70 and 329,665,126.52

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Solution

The fourth proportional to 1,116,531,933.68, 1,674,979,825.70 and 329,665,126.52 is: 494,551,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,531,933.68 : 1,674,979,825.70 = 329,665,126.52 : x
  2. Step 2: Convert to fraction form
    1,116,531,933.68/1,674,979,825.70 = 329,665,126.52/x
  3. Step 3: Cross multiply
    1,116,531,933.68x = 1,674,979,825.70 × 329,665,126.52
  4. Step 4: Simplify right side
    1,116,531,933.68x = 552,182,436,150,287,296
  5. Step 5: Solve for x
    x = 552,182,436,150,287,296/1,116,531,933.68
  6. Step 6: Final answer
    x = 494,551,404.66

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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.