Home / 451,138,373.75-622,570,955.78-255,568,085.75

Finding the Fourth Proportional to 451,138,373.75, 622,570,955.78 and 255,568,085.75

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Solution

The fourth proportional to 451,138,373.75, 622,570,955.78 and 255,568,085.75 is: 352,683,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,138,373.75 : 622,570,955.78 = 255,568,085.75 : x
  2. Step 2: Convert to fraction form
    451,138,373.75/622,570,955.78 = 255,568,085.75/x
  3. Step 3: Cross multiply
    451,138,373.75x = 622,570,955.78 × 255,568,085.75
  4. Step 4: Simplify right side
    451,138,373.75x = 159,109,267,412,242,496
  5. Step 5: Solve for x
    x = 159,109,267,412,242,496/451,138,373.75
  6. Step 6: Final answer
    x = 352,683,958.34

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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.