Home / 443,799,011.80-665,698,517.70-185,199,821.20

Finding the Fourth Proportional to 443,799,011.80, 665,698,517.70 and 185,199,821.20

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Solution

The fourth proportional to 443,799,011.80, 665,698,517.70 and 185,199,821.20 is: 277,799,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,799,011.80 : 665,698,517.70 = 185,199,821.20 : x
  2. Step 2: Convert to fraction form
    443,799,011.80/665,698,517.70 = 185,199,821.20/x
  3. Step 3: Cross multiply
    443,799,011.80x = 665,698,517.70 × 185,199,821.20
  4. Step 4: Simplify right side
    443,799,011.80x = 123,287,246,451,145,040
  5. Step 5: Solve for x
    x = 123,287,246,451,145,040/443,799,011.80
  6. Step 6: Final answer
    x = 277,799,731.80

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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.