Home / 509,959,408.07-765,095,224.25-261,140,838.30

Finding the Fourth Proportional to 509,959,408.07, 765,095,224.25 and 261,140,838.30

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Solution

The fourth proportional to 509,959,408.07, 765,095,224.25 and 261,140,838.30 is: 391,791,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,959,408.07 : 765,095,224.25 = 261,140,838.30 : x
  2. Step 2: Convert to fraction form
    509,959,408.07/765,095,224.25 = 261,140,838.30/x
  3. Step 3: Cross multiply
    509,959,408.07x = 765,095,224.25 × 261,140,838.30
  4. Step 4: Simplify right side
    509,959,408.07x = 199,797,608,240,624,352
  5. Step 5: Solve for x
    x = 199,797,608,240,624,352/509,959,408.07
  6. Step 6: Final answer
    x = 391,791,199.61

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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.