Home / 851,823,939.63-1,277,608,031.91-269,482,518.57

Finding the Fourth Proportional to 851,823,939.63, 1,277,608,031.91 and 269,482,518.57

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Solution

The fourth proportional to 851,823,939.63, 1,277,608,031.91 and 269,482,518.57 is: 404,183,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,823,939.63 : 1,277,608,031.91 = 269,482,518.57 : x
  2. Step 2: Convert to fraction form
    851,823,939.63/1,277,608,031.91 = 269,482,518.57/x
  3. Step 3: Cross multiply
    851,823,939.63x = 1,277,608,031.91 × 269,482,518.57
  4. Step 4: Simplify right side
    851,823,939.63x = 344,293,030,184,367,744
  5. Step 5: Solve for x
    x = 344,293,030,184,367,744/851,823,939.63
  6. Step 6: Final answer
    x = 404,183,322.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.