Home / 398,319,002.80-597,478,504.20-374,132,532.40

Finding the Fourth Proportional to 398,319,002.80, 597,478,504.20 and 374,132,532.40

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Solution

The fourth proportional to 398,319,002.80, 597,478,504.20 and 374,132,532.40 is: 561,198,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,319,002.80 : 597,478,504.20 = 374,132,532.40 : x
  2. Step 2: Convert to fraction form
    398,319,002.80/597,478,504.20 = 374,132,532.40/x
  3. Step 3: Cross multiply
    398,319,002.80x = 597,478,504.20 × 374,132,532.40
  4. Step 4: Simplify right side
    398,319,002.80x = 223,536,145,830,910,048
  5. Step 5: Solve for x
    x = 223,536,145,830,910,048/398,319,002.80
  6. Step 6: Final answer
    x = 561,198,798.60

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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.