Home / 505,469,119.23-697,534,003.89-282,452,633.42

Finding the Fourth Proportional to 505,469,119.23, 697,534,003.89 and 282,452,633.42

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Solution

The fourth proportional to 505,469,119.23, 697,534,003.89 and 282,452,633.42 is: 389,777,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,469,119.23 : 697,534,003.89 = 282,452,633.42 : x
  2. Step 2: Convert to fraction form
    505,469,119.23/697,534,003.89 = 282,452,633.42/x
  3. Step 3: Cross multiply
    505,469,119.23x = 697,534,003.89 × 282,452,633.42
  4. Step 4: Simplify right side
    505,469,119.23x = 197,020,316,295,239,360
  5. Step 5: Solve for x
    x = 197,020,316,295,239,360/505,469,119.23
  6. Step 6: Final answer
    x = 389,777,157.10

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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.