Home / 816,122,522.70-1,224,257,299.89-263,438,055.18

Finding the Fourth Proportional to 816,122,522.70, 1,224,257,299.89 and 263,438,055.18

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Solution

The fourth proportional to 816,122,522.70, 1,224,257,299.89 and 263,438,055.18 is: 395,180,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,122,522.70 : 1,224,257,299.89 = 263,438,055.18 : x
  2. Step 2: Convert to fraction form
    816,122,522.70/1,224,257,299.89 = 263,438,055.18/x
  3. Step 3: Cross multiply
    816,122,522.70x = 1,224,257,299.89 × 263,438,055.18
  4. Step 4: Simplify right side
    816,122,522.70x = 322,515,962,122,939,648
  5. Step 5: Solve for x
    x = 322,515,962,122,939,648/816,122,522.70
  6. Step 6: Final answer
    x = 395,180,813.12

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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.