Home / 878,586,703.46-1,212,446,323.50-482,116,326.38

Finding the Fourth Proportional to 878,586,703.46, 1,212,446,323.50 and 482,116,326.38

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Solution

The fourth proportional to 878,586,703.46, 1,212,446,323.50 and 482,116,326.38 is: 665,318,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,586,703.46 : 1,212,446,323.50 = 482,116,326.38 : x
  2. Step 2: Convert to fraction form
    878,586,703.46/1,212,446,323.50 = 482,116,326.38/x
  3. Step 3: Cross multiply
    878,586,703.46x = 1,212,446,323.50 × 482,116,326.38
  4. Step 4: Simplify right side
    878,586,703.46x = 584,540,167,418,757,120
  5. Step 5: Solve for x
    x = 584,540,167,418,757,120/878,586,703.46
  6. Step 6: Final answer
    x = 665,318,704.59

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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.