Home / 1,373,188,512.40-2,059,782,768.60-511,367,174.80

Finding the Fourth Proportional to 1,373,188,512.40, 2,059,782,768.60 and 511,367,174.80

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Solution

The fourth proportional to 1,373,188,512.40, 2,059,782,768.60 and 511,367,174.80 is: 767,050,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,188,512.40 : 2,059,782,768.60 = 511,367,174.80 : x
  2. Step 2: Convert to fraction form
    1,373,188,512.40/2,059,782,768.60 = 511,367,174.80/x
  3. Step 3: Cross multiply
    1,373,188,512.40x = 2,059,782,768.60 × 511,367,174.80
  4. Step 4: Simplify right side
    1,373,188,512.40x = 1,053,305,295,080,704,128
  5. Step 5: Solve for x
    x = 1,053,305,295,080,704,128/1,373,188,512.40
  6. Step 6: Final answer
    x = 767,050,762.20

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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.