Home / 353,725,835.84-488,143,589.64-205,135,056.44

Finding the Fourth Proportional to 353,725,835.84, 488,143,589.64 and 205,135,056.44

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Solution

The fourth proportional to 353,725,835.84, 488,143,589.64 and 205,135,056.44 is: 283,087,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,725,835.84 : 488,143,589.64 = 205,135,056.44 : x
  2. Step 2: Convert to fraction form
    353,725,835.84/488,143,589.64 = 205,135,056.44/x
  3. Step 3: Cross multiply
    353,725,835.84x = 488,143,589.64 × 205,135,056.44
  4. Step 4: Simplify right side
    353,725,835.84x = 100,135,362,811,625,600
  5. Step 5: Solve for x
    x = 100,135,362,811,625,600/353,725,835.84
  6. Step 6: Final answer
    x = 283,087,500.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.