Home / 808,626,768.30-1,212,940,152.45-263,368,302.30

Finding the Fourth Proportional to 808,626,768.30, 1,212,940,152.45 and 263,368,302.30

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Solution

The fourth proportional to 808,626,768.30, 1,212,940,152.45 and 263,368,302.30 is: 395,052,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,626,768.30 : 1,212,940,152.45 = 263,368,302.30 : x
  2. Step 2: Convert to fraction form
    808,626,768.30/1,212,940,152.45 = 263,368,302.30/x
  3. Step 3: Cross multiply
    808,626,768.30x = 1,212,940,152.45 × 263,368,302.30
  4. Step 4: Simplify right side
    808,626,768.30x = 319,449,988,742,259,712
  5. Step 5: Solve for x
    x = 319,449,988,742,259,712/808,626,768.30
  6. Step 6: Final answer
    x = 395,052,453.45

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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.