Home / 538,717,334.25-743,429,592.42-291,198,688.50

Finding the Fourth Proportional to 538,717,334.25, 743,429,592.42 and 291,198,688.50

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Solution

The fourth proportional to 538,717,334.25, 743,429,592.42 and 291,198,688.50 is: 401,854,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,717,334.25 : 743,429,592.42 = 291,198,688.50 : x
  2. Step 2: Convert to fraction form
    538,717,334.25/743,429,592.42 = 291,198,688.50/x
  3. Step 3: Cross multiply
    538,717,334.25x = 743,429,592.42 × 291,198,688.50
  4. Step 4: Simplify right side
    538,717,334.25x = 216,485,722,303,344,704
  5. Step 5: Solve for x
    x = 216,485,722,303,344,704/538,717,334.25
  6. Step 6: Final answer
    x = 401,854,012.37

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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.