Home / 1,279,152,684.36-1,765,242,874.26-750,525,664.44

Finding the Fourth Proportional to 1,279,152,684.36, 1,765,242,874.26 and 750,525,664.44

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Solution

The fourth proportional to 1,279,152,684.36, 1,765,242,874.26 and 750,525,664.44 is: 1,035,732,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,152,684.36 : 1,765,242,874.26 = 750,525,664.44 : x
  2. Step 2: Convert to fraction form
    1,279,152,684.36/1,765,242,874.26 = 750,525,664.44/x
  3. Step 3: Cross multiply
    1,279,152,684.36x = 1,765,242,874.26 × 750,525,664.44
  4. Step 4: Simplify right side
    1,279,152,684.36x = 1,324,860,081,101,961,984
  5. Step 5: Solve for x
    x = 1,324,860,081,101,961,984/1,279,152,684.36
  6. Step 6: Final answer
    x = 1,035,732,557.42

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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.