Home / 398,271,930.40-597,363,658.80-326,342,893.60

Finding the Fourth Proportional to 398,271,930.40, 597,363,658.80 and 326,342,893.60

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Solution

The fourth proportional to 398,271,930.40, 597,363,658.80 and 326,342,893.60 is: 489,478,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,271,930.40 : 597,363,658.80 = 326,342,893.60 : x
  2. Step 2: Convert to fraction form
    398,271,930.40/597,363,658.80 = 326,342,893.60/x
  3. Step 3: Cross multiply
    398,271,930.40x = 597,363,658.80 × 326,342,893.60
  4. Step 4: Simplify right side
    398,271,930.40x = 194,945,384,944,275,104
  5. Step 5: Solve for x
    x = 194,945,384,944,275,104/398,271,930.40
  6. Step 6: Final answer
    x = 489,478,092.89

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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.