Home / 647,125,149.75-893,035,856.12-353,769,717.75

Finding the Fourth Proportional to 647,125,149.75, 893,035,856.12 and 353,769,717.75

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Solution

The fourth proportional to 647,125,149.75, 893,035,856.12 and 353,769,717.75 is: 488,203,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,125,149.75 : 893,035,856.12 = 353,769,717.75 : x
  2. Step 2: Convert to fraction form
    647,125,149.75/893,035,856.12 = 353,769,717.75/x
  3. Step 3: Cross multiply
    647,125,149.75x = 893,035,856.12 × 353,769,717.75
  4. Step 4: Simplify right side
    647,125,149.75x = 315,929,042,758,433,152
  5. Step 5: Solve for x
    x = 315,929,042,758,433,152/647,125,149.75
  6. Step 6: Final answer
    x = 488,203,932.24

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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.