Home / 312,454,622.96-468,759,865.98-220,517,946.32

Finding the Fourth Proportional to 312,454,622.96, 468,759,865.98 and 220,517,946.32

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Solution

The fourth proportional to 312,454,622.96, 468,759,865.98 and 220,517,946.32 is: 330,831,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,454,622.96 : 468,759,865.98 = 220,517,946.32 : x
  2. Step 2: Convert to fraction form
    312,454,622.96/468,759,865.98 = 220,517,946.32/x
  3. Step 3: Cross multiply
    312,454,622.96x = 468,759,865.98 × 220,517,946.32
  4. Step 4: Simplify right side
    312,454,622.96x = 103,369,962,963,148,032
  5. Step 5: Solve for x
    x = 103,369,962,963,148,032/312,454,622.96
  6. Step 6: Final answer
    x = 330,831,920.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.