Home / 396,012,703.04-546,486,439.20-217,396,563.20

Finding the Fourth Proportional to 396,012,703.04, 546,486,439.20 and 217,396,563.20

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Solution

The fourth proportional to 396,012,703.04, 546,486,439.20 and 217,396,563.20 is: 300,001,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,012,703.04 : 546,486,439.20 = 217,396,563.20 : x
  2. Step 2: Convert to fraction form
    396,012,703.04/546,486,439.20 = 217,396,563.20/x
  3. Step 3: Cross multiply
    396,012,703.04x = 546,486,439.20 × 217,396,563.20
  4. Step 4: Simplify right side
    396,012,703.04x = 118,804,273,717,485,760
  5. Step 5: Solve for x
    x = 118,804,273,717,485,760/396,012,703.04
  6. Step 6: Final answer
    x = 300,001,168.66

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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.