Home / 3,512,334,186.72-5,268,810,961.25-991,284,875.45

Finding the Fourth Proportional to 3,512,334,186.72, 5,268,810,961.25 and 991,284,875.45

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Solution

The fourth proportional to 3,512,334,186.72, 5,268,810,961.25 and 991,284,875.45 is: 1,487,014,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,334,186.72 : 5,268,810,961.25 = 991,284,875.45 : x
  2. Step 2: Convert to fraction form
    3,512,334,186.72/5,268,810,961.25 = 991,284,875.45/x
  3. Step 3: Cross multiply
    3,512,334,186.72x = 5,268,810,961.25 × 991,284,875.45
  4. Step 4: Simplify right side
    3,512,334,186.72x = 5,222,892,617,461,001,216
  5. Step 5: Solve for x
    x = 5,222,892,617,461,001,216/3,512,334,186.72
  6. Step 6: Final answer
    x = 1,487,014,714.38

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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.