Home / 419,909,706.60-629,864,559.90-247,297,669.80

Finding the Fourth Proportional to 419,909,706.60, 629,864,559.90 and 247,297,669.80

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Solution

The fourth proportional to 419,909,706.60, 629,864,559.90 and 247,297,669.80 is: 370,946,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,909,706.60 : 629,864,559.90 = 247,297,669.80 : x
  2. Step 2: Convert to fraction form
    419,909,706.60/629,864,559.90 = 247,297,669.80/x
  3. Step 3: Cross multiply
    419,909,706.60x = 629,864,559.90 × 247,297,669.80
  4. Step 4: Simplify right side
    419,909,706.60x = 155,764,037,952,872,512
  5. Step 5: Solve for x
    x = 155,764,037,952,872,512/419,909,706.60
  6. Step 6: Final answer
    x = 370,946,504.70

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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.