Home / 878,586,391.68-1,212,445,894.43-482,116,015.98

Finding the Fourth Proportional to 878,586,391.68, 1,212,445,894.43 and 482,116,015.98

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Solution

The fourth proportional to 878,586,391.68, 1,212,445,894.43 and 482,116,015.98 is: 665,318,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,586,391.68 : 1,212,445,894.43 = 482,116,015.98 : x
  2. Step 2: Convert to fraction form
    878,586,391.68/1,212,445,894.43 = 482,116,015.98/x
  3. Step 3: Cross multiply
    878,586,391.68x = 1,212,445,894.43 × 482,116,015.98
  4. Step 4: Simplify right side
    878,586,391.68x = 584,539,584,215,104,512
  5. Step 5: Solve for x
    x = 584,539,584,215,104,512/878,586,391.68
  6. Step 6: Final answer
    x = 665,318,276.90

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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.