Home / 408,847,537.80-613,271,306.70-245,588,862.60

Finding the Fourth Proportional to 408,847,537.80, 613,271,306.70 and 245,588,862.60

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Solution

The fourth proportional to 408,847,537.80, 613,271,306.70 and 245,588,862.60 is: 368,383,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,847,537.80 : 613,271,306.70 = 245,588,862.60 : x
  2. Step 2: Convert to fraction form
    408,847,537.80/613,271,306.70 = 245,588,862.60/x
  3. Step 3: Cross multiply
    408,847,537.80x = 613,271,306.70 × 245,588,862.60
  4. Step 4: Simplify right side
    408,847,537.80x = 150,612,602,677,668,768
  5. Step 5: Solve for x
    x = 150,612,602,677,668,768/408,847,537.80
  6. Step 6: Final answer
    x = 368,383,293.90

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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.