Home / 538,076,015.37-742,454,982.90-299,869,174.58

Finding the Fourth Proportional to 538,076,015.37, 742,454,982.90 and 299,869,174.58

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Solution

The fourth proportional to 538,076,015.37, 742,454,982.90 and 299,869,174.58 is: 413,769,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,076,015.37 : 742,454,982.90 = 299,869,174.58 : x
  2. Step 2: Convert to fraction form
    538,076,015.37/742,454,982.90 = 299,869,174.58/x
  3. Step 3: Cross multiply
    538,076,015.37x = 742,454,982.90 × 299,869,174.58
  4. Step 4: Simplify right side
    538,076,015.37x = 222,639,362,881,318,720
  5. Step 5: Solve for x
    x = 222,639,362,881,318,720/538,076,015.37
  6. Step 6: Final answer
    x = 413,769,349.54

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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.