Home / 451,385,893.83-622,980,621.23-275,276,048.13

Finding the Fourth Proportional to 451,385,893.83, 622,980,621.23 and 275,276,048.13

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Solution

The fourth proportional to 451,385,893.83, 622,980,621.23 and 275,276,048.13 is: 379,922,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,385,893.83 : 622,980,621.23 = 275,276,048.13 : x
  2. Step 2: Convert to fraction form
    451,385,893.83/622,980,621.23 = 275,276,048.13/x
  3. Step 3: Cross multiply
    451,385,893.83x = 622,980,621.23 × 275,276,048.13
  4. Step 4: Simplify right side
    451,385,893.83x = 171,491,643,472,390,400
  5. Step 5: Solve for x
    x = 171,491,643,472,390,400/451,385,893.83
  6. Step 6: Final answer
    x = 379,922,469.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.