Home / 399,395,634.80-599,093,452.20-326,836,223.60

Finding the Fourth Proportional to 399,395,634.80, 599,093,452.20 and 326,836,223.60

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Solution

The fourth proportional to 399,395,634.80, 599,093,452.20 and 326,836,223.60 is: 490,254,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,395,634.80 : 599,093,452.20 = 326,836,223.60 : x
  2. Step 2: Convert to fraction form
    399,395,634.80/599,093,452.20 = 326,836,223.60/x
  3. Step 3: Cross multiply
    399,395,634.80x = 599,093,452.20 × 326,836,223.60
  4. Step 4: Simplify right side
    399,395,634.80x = 195,805,441,500,535,136
  5. Step 5: Solve for x
    x = 195,805,441,500,535,136/399,395,634.80
  6. Step 6: Final answer
    x = 490,254,335.40

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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.