Home / 685,256,850,894.60-945,677,133,006.84-376,619,149,735.62

Finding the Fourth Proportional to 685,256,850,894.60, 945,677,133,006.84 and 376,619,149,735.62

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Solution

The fourth proportional to 685,256,850,894.60, 945,677,133,006.84 and 376,619,149,735.62 is: 519,746,890,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,256,850,894.60 : 945,677,133,006.84 = 376,619,149,735.62 : x
  2. Step 2: Convert to fraction form
    685,256,850,894.60/945,677,133,006.84 = 376,619,149,735.62/x
  3. Step 3: Cross multiply
    685,256,850,894.60x = 945,677,133,006.84 × 376,619,149,735.62
  4. Step 4: Simplify right side
    685,256,850,894.60x = 356,160,117,757,454,866,972,672
  5. Step 5: Solve for x
    x = 356,160,117,757,454,866,972,672/685,256,850,894.60
  6. Step 6: Final answer
    x = 519,746,890,954.08

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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.