Home / 493,080,970.76-680,462,754.33-281,383,586.63

Finding the Fourth Proportional to 493,080,970.76, 680,462,754.33 and 281,383,586.63

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Solution

The fourth proportional to 493,080,970.76, 680,462,754.33 and 281,383,586.63 is: 388,315,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,080,970.76 : 680,462,754.33 = 281,383,586.63 : x
  2. Step 2: Convert to fraction form
    493,080,970.76/680,462,754.33 = 281,383,586.63/x
  3. Step 3: Cross multiply
    493,080,970.76x = 680,462,754.33 × 281,383,586.63
  4. Step 4: Simplify right side
    493,080,970.76x = 191,471,050,381,503,968
  5. Step 5: Solve for x
    x = 191,471,050,381,503,968/493,080,970.76
  6. Step 6: Final answer
    x = 388,315,635.23

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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.