Home / 398,601,076.80-597,901,615.20-374,367,367.20

Finding the Fourth Proportional to 398,601,076.80, 597,901,615.20 and 374,367,367.20

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Solution

The fourth proportional to 398,601,076.80, 597,901,615.20 and 374,367,367.20 is: 561,551,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,076.80 : 597,901,615.20 = 374,367,367.20 : x
  2. Step 2: Convert to fraction form
    398,601,076.80/597,901,615.20 = 374,367,367.20/x
  3. Step 3: Cross multiply
    398,601,076.80x = 597,901,615.20 × 374,367,367.20
  4. Step 4: Simplify right side
    398,601,076.80x = 223,834,853,527,051,520
  5. Step 5: Solve for x
    x = 223,834,853,527,051,520/398,601,076.80
  6. Step 6: Final answer
    x = 561,551,050.80

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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.