Home / 538,273,192.88-742,817,305.07-290,754,549.56

Finding the Fourth Proportional to 538,273,192.88, 742,817,305.07 and 290,754,549.56

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Solution

The fourth proportional to 538,273,192.88, 742,817,305.07 and 290,754,549.56 is: 401,241,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,192.88 : 742,817,305.07 = 290,754,549.56 : x
  2. Step 2: Convert to fraction form
    538,273,192.88/742,817,305.07 = 290,754,549.56/x
  3. Step 3: Cross multiply
    538,273,192.88x = 742,817,305.07 × 290,754,549.56
  4. Step 4: Simplify right side
    538,273,192.88x = 215,977,510,935,833,120
  5. Step 5: Solve for x
    x = 215,977,510,935,833,120/538,273,192.88
  6. Step 6: Final answer
    x = 401,241,439.84

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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.