Home / 300,321,685.51-414,587,638.58-200,017,045.38

Finding the Fourth Proportional to 300,321,685.51, 414,587,638.58 and 200,017,045.38

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Solution

The fourth proportional to 300,321,685.51, 414,587,638.58 and 200,017,045.38 is: 276,119,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,321,685.51 : 414,587,638.58 = 200,017,045.38 : x
  2. Step 2: Convert to fraction form
    300,321,685.51/414,587,638.58 = 200,017,045.38/x
  3. Step 3: Cross multiply
    300,321,685.51x = 414,587,638.58 × 200,017,045.38
  4. Step 4: Simplify right side
    300,321,685.51x = 82,924,594,519,842,896
  5. Step 5: Solve for x
    x = 82,924,594,519,842,896/300,321,685.51
  6. Step 6: Final answer
    x = 276,119,236.54

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1.5x scale

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.