Home / 680,066,469.80-1,020,099,704.70-407,968,677.80

Finding the Fourth Proportional to 680,066,469.80, 1,020,099,704.70 and 407,968,677.80

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Solution

The fourth proportional to 680,066,469.80, 1,020,099,704.70 and 407,968,677.80 is: 611,953,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,066,469.80 : 1,020,099,704.70 = 407,968,677.80 : x
  2. Step 2: Convert to fraction form
    680,066,469.80/1,020,099,704.70 = 407,968,677.80/x
  3. Step 3: Cross multiply
    680,066,469.80x = 1,020,099,704.70 × 407,968,677.80
  4. Step 4: Simplify right side
    680,066,469.80x = 416,168,727,750,629,504
  5. Step 5: Solve for x
    x = 416,168,727,750,629,504/680,066,469.80
  6. Step 6: Final answer
    x = 611,953,016.70

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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.