Home / 398,616,076.80-597,924,115.20-360,352,324.80

Finding the Fourth Proportional to 398,616,076.80, 597,924,115.20 and 360,352,324.80

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Solution

The fourth proportional to 398,616,076.80, 597,924,115.20 and 360,352,324.80 is: 540,528,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,616,076.80 : 597,924,115.20 = 360,352,324.80 : x
  2. Step 2: Convert to fraction form
    398,616,076.80/597,924,115.20 = 360,352,324.80/x
  3. Step 3: Cross multiply
    398,616,076.80x = 597,924,115.20 × 360,352,324.80
  4. Step 4: Simplify right side
    398,616,076.80x = 215,463,344,966,303,040
  5. Step 5: Solve for x
    x = 215,463,344,966,303,040/398,616,076.80
  6. Step 6: Final answer
    x = 540,528,487.20

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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.