Home / 538,273,193.88-742,817,306.45-290,754,550.56

Finding the Fourth Proportional to 538,273,193.88, 742,817,306.45 and 290,754,550.56

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Solution

The fourth proportional to 538,273,193.88, 742,817,306.45 and 290,754,550.56 is: 401,241,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,193.88 : 742,817,306.45 = 290,754,550.56 : x
  2. Step 2: Convert to fraction form
    538,273,193.88/742,817,306.45 = 290,754,550.56/x
  3. Step 3: Cross multiply
    538,273,193.88x = 742,817,306.45 × 290,754,550.56
  4. Step 4: Simplify right side
    538,273,193.88x = 215,977,512,085,059,552
  5. Step 5: Solve for x
    x = 215,977,512,085,059,552/538,273,193.88
  6. Step 6: Final answer
    x = 401,241,441.22

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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.