Home / 427,139,605.54-589,475,542.46-238,956,673.52

Finding the Fourth Proportional to 427,139,605.54, 589,475,542.46 and 238,956,673.52

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Solution

The fourth proportional to 427,139,605.54, 589,475,542.46 and 238,956,673.52 is: 329,773,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,139,605.54 : 589,475,542.46 = 238,956,673.52 : x
  2. Step 2: Convert to fraction form
    427,139,605.54/589,475,542.46 = 238,956,673.52/x
  3. Step 3: Cross multiply
    427,139,605.54x = 589,475,542.46 × 238,956,673.52
  4. Step 4: Simplify right side
    427,139,605.54x = 140,859,114,747,639,136
  5. Step 5: Solve for x
    x = 140,859,114,747,639,136/427,139,605.54
  6. Step 6: Final answer
    x = 329,773,013.13

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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.