Home / 436,554,986.40-654,923,458.80-145,512,525.60

Finding the Fourth Proportional to 436,554,986.40, 654,923,458.80 and 145,512,525.60

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Solution

The fourth proportional to 436,554,986.40, 654,923,458.80 and 145,512,525.60 is: 218,299,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,554,986.40 : 654,923,458.80 = 145,512,525.60 : x
  2. Step 2: Convert to fraction form
    436,554,986.40/654,923,458.80 = 145,512,525.60/x
  3. Step 3: Cross multiply
    436,554,986.40x = 654,923,458.80 × 145,512,525.60
  4. Step 4: Simplify right side
    436,554,986.40x = 95,299,566,564,675,536
  5. Step 5: Solve for x
    x = 95,299,566,564,675,536/436,554,986.40
  6. Step 6: Final answer
    x = 218,299,113.59

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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.