Home / 343,360,627.80-515,040,941.70-329,968,314.60

Finding the Fourth Proportional to 343,360,627.80, 515,040,941.70 and 329,968,314.60

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Solution

The fourth proportional to 343,360,627.80, 515,040,941.70 and 329,968,314.60 is: 494,952,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,360,627.80 : 515,040,941.70 = 329,968,314.60 : x
  2. Step 2: Convert to fraction form
    343,360,627.80/515,040,941.70 = 329,968,314.60/x
  3. Step 3: Cross multiply
    343,360,627.80x = 515,040,941.70 × 329,968,314.60
  4. Step 4: Simplify right side
    343,360,627.80x = 169,947,191,482,745,856
  5. Step 5: Solve for x
    x = 169,947,191,482,745,856/343,360,627.80
  6. Step 6: Final answer
    x = 494,952,471.90

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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.