Home / 353,725,833.84-488,143,586.88-205,135,054.44

Finding the Fourth Proportional to 353,725,833.84, 488,143,586.88 and 205,135,054.44

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Solution

The fourth proportional to 353,725,833.84, 488,143,586.88 and 205,135,054.44 is: 283,087,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,725,833.84 : 488,143,586.88 = 205,135,054.44 : x
  2. Step 2: Convert to fraction form
    353,725,833.84/488,143,586.88 = 205,135,054.44/x
  3. Step 3: Cross multiply
    353,725,833.84x = 488,143,586.88 × 205,135,054.44
  4. Step 4: Simplify right side
    353,725,833.84x = 100,135,361,269,165,664
  5. Step 5: Solve for x
    x = 100,135,361,269,165,664/353,725,833.84
  6. Step 6: Final answer
    x = 283,087,497.97

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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.