Home / 919,915,563.20-1,379,873,344.80-273,683,307.20

Finding the Fourth Proportional to 919,915,563.20, 1,379,873,344.80 and 273,683,307.20

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Solution

The fourth proportional to 919,915,563.20, 1,379,873,344.80 and 273,683,307.20 is: 410,524,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,915,563.20 : 1,379,873,344.80 = 273,683,307.20 : x
  2. Step 2: Convert to fraction form
    919,915,563.20/1,379,873,344.80 = 273,683,307.20/x
  3. Step 3: Cross multiply
    919,915,563.20x = 1,379,873,344.80 × 273,683,307.20
  4. Step 4: Simplify right side
    919,915,563.20x = 377,648,300,521,989,888
  5. Step 5: Solve for x
    x = 377,648,300,521,989,888/919,915,563.20
  6. Step 6: Final answer
    x = 410,524,960.80

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Similar ratio
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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.