Home / 505,469,117.22-697,534,001.12-282,452,631.44

Finding the Fourth Proportional to 505,469,117.22, 697,534,001.12 and 282,452,631.44

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Solution

The fourth proportional to 505,469,117.22, 697,534,001.12 and 282,452,631.44 is: 389,777,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,469,117.22 : 697,534,001.12 = 282,452,631.44 : x
  2. Step 2: Convert to fraction form
    505,469,117.22/697,534,001.12 = 282,452,631.44/x
  3. Step 3: Cross multiply
    505,469,117.22x = 697,534,001.12 × 282,452,631.44
  4. Step 4: Simplify right side
    505,469,117.22x = 197,020,314,135,215,904
  5. Step 5: Solve for x
    x = 197,020,314,135,215,904/505,469,117.22
  6. Step 6: Final answer
    x = 389,777,154.38

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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.