Home / 315,450,523.46-435,338,435.94-190,042,197.32

Finding the Fourth Proportional to 315,450,523.46, 435,338,435.94 and 190,042,197.32

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Solution

The fourth proportional to 315,450,523.46, 435,338,435.94 and 190,042,197.32 is: 262,268,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,450,523.46 : 435,338,435.94 = 190,042,197.32 : x
  2. Step 2: Convert to fraction form
    315,450,523.46/435,338,435.94 = 190,042,197.32/x
  3. Step 3: Cross multiply
    315,450,523.46x = 435,338,435.94 × 190,042,197.32
  4. Step 4: Simplify right side
    315,450,523.46x = 82,732,672,943,889,664
  5. Step 5: Solve for x
    x = 82,732,672,943,889,664/315,450,523.46
  6. Step 6: Final answer
    x = 262,268,301.34

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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.