Home / 878,586,700.82-1,212,446,320.01-482,116,323.86

Finding the Fourth Proportional to 878,586,700.82, 1,212,446,320.01 and 482,116,323.86

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Solution

The fourth proportional to 878,586,700.82, 1,212,446,320.01 and 482,116,323.86 is: 665,318,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,586,700.82 : 1,212,446,320.01 = 482,116,323.86 : x
  2. Step 2: Convert to fraction form
    878,586,700.82/1,212,446,320.01 = 482,116,323.86/x
  3. Step 3: Cross multiply
    878,586,700.82x = 1,212,446,320.01 × 482,116,323.86
  4. Step 4: Simplify right side
    878,586,700.82x = 584,540,162,680,806,400
  5. Step 5: Solve for x
    x = 584,540,162,680,806,400/878,586,700.82
  6. Step 6: Final answer
    x = 665,318,701.20

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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.