Home / 666,010,608.22-998,671,688.22-292,365,565.66

Finding the Fourth Proportional to 666,010,608.22, 998,671,688.22 and 292,365,565.66

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Solution

The fourth proportional to 666,010,608.22, 998,671,688.22 and 292,365,565.66 is: 438,397,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,010,608.22 : 998,671,688.22 = 292,365,565.66 : x
  2. Step 2: Convert to fraction form
    666,010,608.22/998,671,688.22 = 292,365,565.66/x
  3. Step 3: Cross multiply
    666,010,608.22x = 998,671,688.22 × 292,365,565.66
  4. Step 4: Simplify right side
    666,010,608.22x = 291,977,213,035,067,520
  5. Step 5: Solve for x
    x = 291,977,213,035,067,520/666,010,608.22
  6. Step 6: Final answer
    x = 438,397,240.87

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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.