Home / 396,307,122.30-594,460,683.45-258,557,615.10

Finding the Fourth Proportional to 396,307,122.30, 594,460,683.45 and 258,557,615.10

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Solution

The fourth proportional to 396,307,122.30, 594,460,683.45 and 258,557,615.10 is: 387,836,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,307,122.30 : 594,460,683.45 = 258,557,615.10 : x
  2. Step 2: Convert to fraction form
    396,307,122.30/594,460,683.45 = 258,557,615.10/x
  3. Step 3: Cross multiply
    396,307,122.30x = 594,460,683.45 × 258,557,615.10
  4. Step 4: Simplify right side
    396,307,122.30x = 153,702,336,583,548,064
  5. Step 5: Solve for x
    x = 153,702,336,583,548,064/396,307,122.30
  6. Step 6: Final answer
    x = 387,836,422.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.