Home / 350,271,808.20-525,407,712.30-221,450,509.80

Finding the Fourth Proportional to 350,271,808.20, 525,407,712.30 and 221,450,509.80

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Solution

The fourth proportional to 350,271,808.20, 525,407,712.30 and 221,450,509.80 is: 332,175,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,271,808.20 : 525,407,712.30 = 221,450,509.80 : x
  2. Step 2: Convert to fraction form
    350,271,808.20/525,407,712.30 = 221,450,509.80/x
  3. Step 3: Cross multiply
    350,271,808.20x = 525,407,712.30 × 221,450,509.80
  4. Step 4: Simplify right side
    350,271,808.20x = 116,351,805,741,686,736
  5. Step 5: Solve for x
    x = 116,351,805,741,686,736/350,271,808.20
  6. Step 6: Final answer
    x = 332,175,764.70

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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.