Home / 493,104,741.67-680,295,216.94-281,423,333.89

Finding the Fourth Proportional to 493,104,741.67, 680,295,216.94 and 281,423,333.89

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Solution

The fourth proportional to 493,104,741.67, 680,295,216.94 and 281,423,333.89 is: 388,256,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,104,741.67 : 680,295,216.94 = 281,423,333.89 : x
  2. Step 2: Convert to fraction form
    493,104,741.67/680,295,216.94 = 281,423,333.89/x
  3. Step 3: Cross multiply
    493,104,741.67x = 680,295,216.94 × 281,423,333.89
  4. Step 4: Simplify right side
    493,104,741.67x = 191,450,947,980,675,616
  5. Step 5: Solve for x
    x = 191,450,947,980,675,616/493,104,741.67
  6. Step 6: Final answer
    x = 388,256,148.85

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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.