Home / 437,682,334,973.12-655,668,490,317.60-301,520,407,656.68

Finding the Fourth Proportional to 437,682,334,973.12, 655,668,490,317.60 and 301,520,407,656.68

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Solution

The fourth proportional to 437,682,334,973.12, 655,668,490,317.60 and 301,520,407,656.68 is: 451,691,591,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,682,334,973.12 : 655,668,490,317.60 = 301,520,407,656.68 : x
  2. Step 2: Convert to fraction form
    437,682,334,973.12/655,668,490,317.60 = 301,520,407,656.68/x
  3. Step 3: Cross multiply
    437,682,334,973.12x = 655,668,490,317.60 × 301,520,407,656.68
  4. Step 4: Simplify right side
    437,682,334,973.12x = 197,697,430,488,202,694,623,232
  5. Step 5: Solve for x
    x = 197,697,430,488,202,694,623,232/437,682,334,973.12
  6. Step 6: Final answer
    x = 451,691,591,574.84

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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.