Home / 445,481,092.80-668,221,639.20-415,248,004.80

Finding the Fourth Proportional to 445,481,092.80, 668,221,639.20 and 415,248,004.80

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Solution

The fourth proportional to 445,481,092.80, 668,221,639.20 and 415,248,004.80 is: 622,872,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,481,092.80 : 668,221,639.20 = 415,248,004.80 : x
  2. Step 2: Convert to fraction form
    445,481,092.80/668,221,639.20 = 415,248,004.80/x
  3. Step 3: Cross multiply
    445,481,092.80x = 668,221,639.20 × 415,248,004.80
  4. Step 4: Simplify right side
    445,481,092.80x = 277,477,702,441,985,504
  5. Step 5: Solve for x
    x = 277,477,702,441,985,504/445,481,092.80
  6. Step 6: Final answer
    x = 622,872,007.20

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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.