Home / 838,200,712.80-1,257,301,069.20-263,772,040.80

Finding the Fourth Proportional to 838,200,712.80, 1,257,301,069.20 and 263,772,040.80

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Solution

The fourth proportional to 838,200,712.80, 1,257,301,069.20 and 263,772,040.80 is: 395,658,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,200,712.80 : 1,257,301,069.20 = 263,772,040.80 : x
  2. Step 2: Convert to fraction form
    838,200,712.80/1,257,301,069.20 = 263,772,040.80/x
  3. Step 3: Cross multiply
    838,200,712.80x = 1,257,301,069.20 × 263,772,040.80
  4. Step 4: Simplify right side
    838,200,712.80x = 331,640,868,922,906,048
  5. Step 5: Solve for x
    x = 331,640,868,922,906,048/838,200,712.80
  6. Step 6: Final answer
    x = 395,658,061.20

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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.