Home / 398,580,861.20-597,871,291.80-362,230,296.80

Finding the Fourth Proportional to 398,580,861.20, 597,871,291.80 and 362,230,296.80

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Solution

The fourth proportional to 398,580,861.20, 597,871,291.80 and 362,230,296.80 is: 543,345,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,580,861.20 : 597,871,291.80 = 362,230,296.80 : x
  2. Step 2: Convert to fraction form
    398,580,861.20/597,871,291.80 = 362,230,296.80/x
  3. Step 3: Cross multiply
    398,580,861.20x = 597,871,291.80 × 362,230,296.80
  4. Step 4: Simplify right side
    398,580,861.20x = 216,567,095,476,913,408
  5. Step 5: Solve for x
    x = 216,567,095,476,913,408/398,580,861.20
  6. Step 6: Final answer
    x = 543,345,445.20

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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.