Home / 323,945,521.20-485,918,281.80-299,003,223.60

Finding the Fourth Proportional to 323,945,521.20, 485,918,281.80 and 299,003,223.60

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Solution

The fourth proportional to 323,945,521.20, 485,918,281.80 and 299,003,223.60 is: 448,504,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,945,521.20 : 485,918,281.80 = 299,003,223.60 : x
  2. Step 2: Convert to fraction form
    323,945,521.20/485,918,281.80 = 299,003,223.60/x
  3. Step 3: Cross multiply
    323,945,521.20x = 485,918,281.80 × 299,003,223.60
  4. Step 4: Simplify right side
    323,945,521.20x = 145,291,132,664,373,216
  5. Step 5: Solve for x
    x = 145,291,132,664,373,216/323,945,521.20
  6. Step 6: Final answer
    x = 448,504,835.40

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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.