Home / 51,847,672,900.37-71,561,299,018.39-31,520,809,442.39

Finding the Fourth Proportional to 51,847,672,900.37, 71,561,299,018.39 and 31,520,809,442.39

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Solution

The fourth proportional to 51,847,672,900.37, 71,561,299,018.39 and 31,520,809,442.39 is: 43,505,714,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,847,672,900.37 : 71,561,299,018.39 = 31,520,809,442.39 : x
  2. Step 2: Convert to fraction form
    51,847,672,900.37/71,561,299,018.39 = 31,520,809,442.39/x
  3. Step 3: Cross multiply
    51,847,672,900.37x = 71,561,299,018.39 × 31,520,809,442.39
  4. Step 4: Simplify right side
    51,847,672,900.37x = 2,255,670,069,808,203,825,152
  5. Step 5: Solve for x
    x = 2,255,670,069,808,203,825,152/51,847,672,900.37
  6. Step 6: Final answer
    x = 43,505,714,791.54

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1.5x scale

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.