Home / 891,865,111.94-1,337,494,287.26-339,034,202.18

Finding the Fourth Proportional to 891,865,111.94, 1,337,494,287.26 and 339,034,202.18

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Solution

The fourth proportional to 891,865,111.94, 1,337,494,287.26 and 339,034,202.18 is: 508,435,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,865,111.94 : 1,337,494,287.26 = 339,034,202.18 : x
  2. Step 2: Convert to fraction form
    891,865,111.94/1,337,494,287.26 = 339,034,202.18/x
  3. Step 3: Cross multiply
    891,865,111.94x = 1,337,494,287.26 × 339,034,202.18
  4. Step 4: Simplify right side
    891,865,111.94x = 453,456,308,595,662,016
  5. Step 5: Solve for x
    x = 453,456,308,595,662,016/891,865,111.94
  6. Step 6: Final answer
    x = 508,435,975.94

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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.