Home / 752,296,000.80-1,128,444,001.20-199,597,360.80

Finding the Fourth Proportional to 752,296,000.80, 1,128,444,001.20 and 199,597,360.80

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Solution

The fourth proportional to 752,296,000.80, 1,128,444,001.20 and 199,597,360.80 is: 299,396,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,296,000.80 : 1,128,444,001.20 = 199,597,360.80 : x
  2. Step 2: Convert to fraction form
    752,296,000.80/1,128,444,001.20 = 199,597,360.80/x
  3. Step 3: Cross multiply
    752,296,000.80x = 1,128,444,001.20 × 199,597,360.80
  4. Step 4: Simplify right side
    752,296,000.80x = 225,234,444,450,112,064
  5. Step 5: Solve for x
    x = 225,234,444,450,112,064/752,296,000.80
  6. Step 6: Final answer
    x = 299,396,041.20

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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.