Home / 398,601,212.40-597,901,818.60-335,466,021.60

Finding the Fourth Proportional to 398,601,212.40, 597,901,818.60 and 335,466,021.60

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Solution

The fourth proportional to 398,601,212.40, 597,901,818.60 and 335,466,021.60 is: 503,199,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,212.40 : 597,901,818.60 = 335,466,021.60 : x
  2. Step 2: Convert to fraction form
    398,601,212.40/597,901,818.60 = 335,466,021.60/x
  3. Step 3: Cross multiply
    398,601,212.40x = 597,901,818.60 × 335,466,021.60
  4. Step 4: Simplify right side
    398,601,212.40x = 200,575,744,393,146,912
  5. Step 5: Solve for x
    x = 200,575,744,393,146,912/398,601,212.40
  6. Step 6: Final answer
    x = 503,199,032.40

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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.