Home / 320,112,069.45-449,366,220.75-320,112,069.45

Finding the Fourth Proportional to 320,112,069.45, 449,366,220.75 and 320,112,069.45

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Solution

The fourth proportional to 320,112,069.45, 449,366,220.75 and 320,112,069.45 is: 449,366,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,112,069.45 : 449,366,220.75 = 320,112,069.45 : x
  2. Step 2: Convert to fraction form
    320,112,069.45/449,366,220.75 = 320,112,069.45/x
  3. Step 3: Cross multiply
    320,112,069.45x = 449,366,220.75 × 320,112,069.45
  4. Step 4: Simplify right side
    320,112,069.45x = 143,847,550,865,208,032
  5. Step 5: Solve for x
    x = 143,847,550,865,208,032/320,112,069.45
  6. Step 6: Final answer
    x = 449,366,220.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.