Home / 350,862,890.20-525,727,464.90-221,238,525.40

Finding the Fourth Proportional to 350,862,890.20, 525,727,464.90 and 221,238,525.40

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Solution

The fourth proportional to 350,862,890.20, 525,727,464.90 and 221,238,525.40 is: 331,500,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,862,890.20 : 525,727,464.90 = 221,238,525.40 : x
  2. Step 2: Convert to fraction form
    350,862,890.20/525,727,464.90 = 221,238,525.40/x
  3. Step 3: Cross multiply
    350,862,890.20x = 525,727,464.90 × 221,238,525.40
  4. Step 4: Simplify right side
    350,862,890.20x = 116,311,169,096,756,256
  5. Step 5: Solve for x
    x = 116,311,169,096,756,256/350,862,890.20
  6. Step 6: Final answer
    x = 331,500,344.85

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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.