Home / 505,469,123.71-697,534,010.08-282,452,637.94

Finding the Fourth Proportional to 505,469,123.71, 697,534,010.08 and 282,452,637.94

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Solution

The fourth proportional to 505,469,123.71, 697,534,010.08 and 282,452,637.94 is: 389,777,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,469,123.71 : 697,534,010.08 = 282,452,637.94 : x
  2. Step 2: Convert to fraction form
    505,469,123.71/697,534,010.08 = 282,452,637.94/x
  3. Step 3: Cross multiply
    505,469,123.71x = 697,534,010.08 × 282,452,637.94
  4. Step 4: Simplify right side
    505,469,123.71x = 197,020,321,197,512,576
  5. Step 5: Solve for x
    x = 197,020,321,197,512,576/505,469,123.71
  6. Step 6: Final answer
    x = 389,777,163.35

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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.