Home / 816,508,293.50-1,224,769,528.26-263,810,780.90

Finding the Fourth Proportional to 816,508,293.50, 1,224,769,528.26 and 263,810,780.90

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Solution

The fourth proportional to 816,508,293.50, 1,224,769,528.26 and 263,810,780.90 is: 395,718,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,508,293.50 : 1,224,769,528.26 = 263,810,780.90 : x
  2. Step 2: Convert to fraction form
    816,508,293.50/1,224,769,528.26 = 263,810,780.90/x
  3. Step 3: Cross multiply
    816,508,293.50x = 1,224,769,528.26 × 263,810,780.90
  4. Step 4: Simplify right side
    816,508,293.50x = 323,107,405,672,795,200
  5. Step 5: Solve for x
    x = 323,107,405,672,795,200/816,508,293.50
  6. Step 6: Final answer
    x = 395,718,461.46

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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.