Home / 407,060,205.03-610,658,412.24-319,618,194.64

Finding the Fourth Proportional to 407,060,205.03, 610,658,412.24 and 319,618,194.64

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Solution

The fourth proportional to 407,060,205.03, 610,658,412.24 and 319,618,194.64 is: 479,480,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,060,205.03 : 610,658,412.24 = 319,618,194.64 : x
  2. Step 2: Convert to fraction form
    407,060,205.03/610,658,412.24 = 319,618,194.64/x
  3. Step 3: Cross multiply
    407,060,205.03x = 610,658,412.24 × 319,618,194.64
  4. Step 4: Simplify right side
    407,060,205.03x = 195,177,539,261,549,600
  5. Step 5: Solve for x
    x = 195,177,539,261,549,600/407,060,205.03
  6. Step 6: Final answer
    x = 479,480,766.85

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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.