Home / 878,586,395.77-1,212,445,900.13-482,116,020.11

Finding the Fourth Proportional to 878,586,395.77, 1,212,445,900.13 and 482,116,020.11

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Solution

The fourth proportional to 878,586,395.77, 1,212,445,900.13 and 482,116,020.11 is: 665,318,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,586,395.77 : 1,212,445,900.13 = 482,116,020.11 : x
  2. Step 2: Convert to fraction form
    878,586,395.77/1,212,445,900.13 = 482,116,020.11/x
  3. Step 3: Cross multiply
    878,586,395.77x = 1,212,445,900.13 × 482,116,020.11
  4. Step 4: Simplify right side
    878,586,395.77x = 584,539,591,960,889,344
  5. Step 5: Solve for x
    x = 584,539,591,960,889,344/878,586,395.77
  6. Step 6: Final answer
    x = 665,318,282.61

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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.