Home / 451,138,371.75-622,570,953.02-255,568,083.75

Finding the Fourth Proportional to 451,138,371.75, 622,570,953.02 and 255,568,083.75

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Solution

The fourth proportional to 451,138,371.75, 622,570,953.02 and 255,568,083.75 is: 352,683,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,138,371.75 : 622,570,953.02 = 255,568,083.75 : x
  2. Step 2: Convert to fraction form
    451,138,371.75/622,570,953.02 = 255,568,083.75/x
  3. Step 3: Cross multiply
    451,138,371.75x = 622,570,953.02 × 255,568,083.75
  4. Step 4: Simplify right side
    451,138,371.75x = 159,109,265,460,454,816
  5. Step 5: Solve for x
    x = 159,109,265,460,454,816/451,138,371.75
  6. Step 6: Final answer
    x = 352,683,955.58

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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.