Home / 509,959,407.02-765,095,222.57-261,140,837.24

Finding the Fourth Proportional to 509,959,407.02, 765,095,222.57 and 261,140,837.24

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Solution

The fourth proportional to 509,959,407.02, 765,095,222.57 and 261,140,837.24 is: 391,791,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,959,407.02 : 765,095,222.57 = 261,140,837.24 : x
  2. Step 2: Convert to fraction form
    509,959,407.02/765,095,222.57 = 261,140,837.24/x
  3. Step 3: Cross multiply
    509,959,407.02x = 765,095,222.57 × 261,140,837.24
  4. Step 4: Simplify right side
    509,959,407.02x = 199,797,606,990,860,992
  5. Step 5: Solve for x
    x = 199,797,606,990,860,992/509,959,407.02
  6. Step 6: Final answer
    x = 391,791,197.97

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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.