Home / 505,469,124.71-697,534,011.46-282,452,638.94

Finding the Fourth Proportional to 505,469,124.71, 697,534,011.46 and 282,452,638.94

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Solution

The fourth proportional to 505,469,124.71, 697,534,011.46 and 282,452,638.94 is: 389,777,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,469,124.71 : 697,534,011.46 = 282,452,638.94 : x
  2. Step 2: Convert to fraction form
    505,469,124.71/697,534,011.46 = 282,452,638.94/x
  3. Step 3: Cross multiply
    505,469,124.71x = 697,534,011.46 × 282,452,638.94
  4. Step 4: Simplify right side
    505,469,124.71x = 197,020,322,287,281,216
  5. Step 5: Solve for x
    x = 197,020,322,287,281,216/505,469,124.71
  6. Step 6: Final answer
    x = 389,777,164.73

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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.