Home / 607,394,157.71-838,199,764.44-328,929,308.87

Finding the Fourth Proportional to 607,394,157.71, 838,199,764.44 and 328,929,308.87

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Solution

The fourth proportional to 607,394,157.71, 838,199,764.44 and 328,929,308.87 is: 453,920,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,394,157.71 : 838,199,764.44 = 328,929,308.87 : x
  2. Step 2: Convert to fraction form
    607,394,157.71/838,199,764.44 = 328,929,308.87/x
  3. Step 3: Cross multiply
    607,394,157.71x = 838,199,764.44 × 328,929,308.87
  4. Step 4: Simplify right side
    607,394,157.71x = 275,708,469,208,055,040
  5. Step 5: Solve for x
    x = 275,708,469,208,055,040/607,394,157.71
  6. Step 6: Final answer
    x = 453,920,186.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.