Home / 509,959,407.32-765,095,223.13-261,140,837.55

Finding the Fourth Proportional to 509,959,407.32, 765,095,223.13 and 261,140,837.55

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Solution

The fourth proportional to 509,959,407.32, 765,095,223.13 and 261,140,837.55 is: 391,791,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,959,407.32 : 765,095,223.13 = 261,140,837.55 : x
  2. Step 2: Convert to fraction form
    509,959,407.32/765,095,223.13 = 261,140,837.55/x
  3. Step 3: Cross multiply
    509,959,407.32x = 765,095,223.13 × 261,140,837.55
  4. Step 4: Simplify right side
    509,959,407.32x = 199,797,607,370,150,368
  5. Step 5: Solve for x
    x = 199,797,607,370,150,368/509,959,407.32
  6. Step 6: Final answer
    x = 391,791,198.48

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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.