Home / 255,789,363,840.72-352,975,337,629.29-140,023,728,481.91

Finding the Fourth Proportional to 255,789,363,840.72, 352,975,337,629.29 and 140,023,728,481.91

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Solution

The fourth proportional to 255,789,363,840.72, 352,975,337,629.29 and 140,023,728,481.91 is: 193,225,089,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,789,363,840.72 : 352,975,337,629.29 = 140,023,728,481.91 : x
  2. Step 2: Convert to fraction form
    255,789,363,840.72/352,975,337,629.29 = 140,023,728,481.91/x
  3. Step 3: Cross multiply
    255,789,363,840.72x = 352,975,337,629.29 × 140,023,728,481.91
  4. Step 4: Simplify right side
    255,789,363,840.72x = 49,424,922,837,014,213,033,984
  5. Step 5: Solve for x
    x = 49,424,922,837,014,213,033,984/255,789,363,840.72
  6. Step 6: Final answer
    x = 193,225,089,952.49

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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.