Home / 515,195,311,600.16-773,145,968,370.32-179,810,236,949.12

Finding the Fourth Proportional to 515,195,311,600.16, 773,145,968,370.32 and 179,810,236,949.12

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Solution

The fourth proportional to 515,195,311,600.16, 773,145,968,370.32 and 179,810,236,949.12 is: 269,838,557,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,195,311,600.16 : 773,145,968,370.32 = 179,810,236,949.12 : x
  2. Step 2: Convert to fraction form
    515,195,311,600.16/773,145,968,370.32 = 179,810,236,949.12/x
  3. Step 3: Cross multiply
    515,195,311,600.16x = 773,145,968,370.32 × 179,810,236,949.12
  4. Step 4: Simplify right side
    515,195,311,600.16x = 139,019,559,768,924,056,715,264
  5. Step 5: Solve for x
    x = 139,019,559,768,924,056,715,264/515,195,311,600.16
  6. Step 6: Final answer
    x = 269,838,557,608.65

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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.