Home / 854,344,940.28-1,281,566,741.28-329,716,764.60

Finding the Fourth Proportional to 854,344,940.28, 1,281,566,741.28 and 329,716,764.60

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Solution

The fourth proportional to 854,344,940.28, 1,281,566,741.28 and 329,716,764.60 is: 494,594,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,344,940.28 : 1,281,566,741.28 = 329,716,764.60 : x
  2. Step 2: Convert to fraction form
    854,344,940.28/1,281,566,741.28 = 329,716,764.60/x
  3. Step 3: Cross multiply
    854,344,940.28x = 1,281,566,741.28 × 329,716,764.60
  4. Step 4: Simplify right side
    854,344,940.28x = 422,554,039,553,806,912
  5. Step 5: Solve for x
    x = 422,554,039,553,806,912/854,344,940.28
  6. Step 6: Final answer
    x = 494,594,185.13

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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.