Home / 857,860,374.45-1,286,983,061.43-275,627,786.61

Finding the Fourth Proportional to 857,860,374.45, 1,286,983,061.43 and 275,627,786.61

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Solution

The fourth proportional to 857,860,374.45, 1,286,983,061.43 and 275,627,786.61 is: 413,503,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,860,374.45 : 1,286,983,061.43 = 275,627,786.61 : x
  2. Step 2: Convert to fraction form
    857,860,374.45/1,286,983,061.43 = 275,627,786.61/x
  3. Step 3: Cross multiply
    857,860,374.45x = 1,286,983,061.43 × 275,627,786.61
  4. Step 4: Simplify right side
    857,860,374.45x = 354,728,292,626,512,576
  5. Step 5: Solve for x
    x = 354,728,292,626,512,576/857,860,374.45
  6. Step 6: Final answer
    x = 413,503,529.47

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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.