Home / 919,915,564.20-1,379,873,346.30-273,683,308.20

Finding the Fourth Proportional to 919,915,564.20, 1,379,873,346.30 and 273,683,308.20

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Solution

The fourth proportional to 919,915,564.20, 1,379,873,346.30 and 273,683,308.20 is: 410,524,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,915,564.20 : 1,379,873,346.30 = 273,683,308.20 : x
  2. Step 2: Convert to fraction form
    919,915,564.20/1,379,873,346.30 = 273,683,308.20/x
  3. Step 3: Cross multiply
    919,915,564.20x = 1,379,873,346.30 × 273,683,308.20
  4. Step 4: Simplify right side
    919,915,564.20x = 377,648,302,312,388,224
  5. Step 5: Solve for x
    x = 377,648,302,312,388,224/919,915,564.20
  6. Step 6: Final answer
    x = 410,524,962.30

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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.