Home / 808,626,787.80-1,212,940,181.70-263,368,321.80

Finding the Fourth Proportional to 808,626,787.80, 1,212,940,181.70 and 263,368,321.80

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Solution

The fourth proportional to 808,626,787.80, 1,212,940,181.70 and 263,368,321.80 is: 395,052,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,626,787.80 : 1,212,940,181.70 = 263,368,321.80 : x
  2. Step 2: Convert to fraction form
    808,626,787.80/1,212,940,181.70 = 263,368,321.80/x
  3. Step 3: Cross multiply
    808,626,787.80x = 1,212,940,181.70 × 263,368,321.80
  4. Step 4: Simplify right side
    808,626,787.80x = 319,450,020,098,116,096
  5. Step 5: Solve for x
    x = 319,450,020,098,116,096/808,626,787.80
  6. Step 6: Final answer
    x = 395,052,482.70

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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.