Home / 538,892,096.73-743,666,761.83-312,852,054.53

Finding the Fourth Proportional to 538,892,096.73, 743,666,761.83 and 312,852,054.53

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Solution

The fourth proportional to 538,892,096.73, 743,666,761.83 and 312,852,054.53 is: 431,733,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,892,096.73 : 743,666,761.83 = 312,852,054.53 : x
  2. Step 2: Convert to fraction form
    538,892,096.73/743,666,761.83 = 312,852,054.53/x
  3. Step 3: Cross multiply
    538,892,096.73x = 743,666,761.83 × 312,852,054.53
  4. Step 4: Simplify right side
    538,892,096.73x = 232,657,674,320,469,344
  5. Step 5: Solve for x
    x = 232,657,674,320,469,344/538,892,096.73
  6. Step 6: Final answer
    x = 431,733,320.51

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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.