Home / 613,969,664.80-919,760,103.60-370,910,567.20

Finding the Fourth Proportional to 613,969,664.80, 919,760,103.60 and 370,910,567.20

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Solution

The fourth proportional to 613,969,664.80, 919,760,103.60 and 370,910,567.20 is: 555,644,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,969,664.80 : 919,760,103.60 = 370,910,567.20 : x
  2. Step 2: Convert to fraction form
    613,969,664.80/919,760,103.60 = 370,910,567.20/x
  3. Step 3: Cross multiply
    613,969,664.80x = 919,760,103.60 × 370,910,567.20
  4. Step 4: Simplify right side
    613,969,664.80x = 341,148,741,714,206,784
  5. Step 5: Solve for x
    x = 341,148,741,714,206,784/613,969,664.80
  6. Step 6: Final answer
    x = 555,644,295.27

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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.