Home / 477,243,702.36-658,519,333.38-268,387,389.36

Finding the Fourth Proportional to 477,243,702.36, 658,519,333.38 and 268,387,389.36

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Solution

The fourth proportional to 477,243,702.36, 658,519,333.38 and 268,387,389.36 is: 370,331,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,243,702.36 : 658,519,333.38 = 268,387,389.36 : x
  2. Step 2: Convert to fraction form
    477,243,702.36/658,519,333.38 = 268,387,389.36/x
  3. Step 3: Cross multiply
    477,243,702.36x = 658,519,333.38 × 268,387,389.36
  4. Step 4: Simplify right side
    477,243,702.36x = 176,738,284,728,945,728
  5. Step 5: Solve for x
    x = 176,738,284,728,945,728/477,243,702.36
  6. Step 6: Final answer
    x = 370,331,308.42

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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.