Home / 1,771,486,907,908.80-2,656,972,372,845.60-515,080,392,196.80

Finding the Fourth Proportional to 1,771,486,907,908.80, 2,656,972,372,845.60 and 515,080,392,196.80

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Solution

The fourth proportional to 1,771,486,907,908.80, 2,656,972,372,845.60 and 515,080,392,196.80 is: 772,545,574,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,486,907,908.80 : 2,656,972,372,845.60 = 515,080,392,196.80 : x
  2. Step 2: Convert to fraction form
    1,771,486,907,908.80/2,656,972,372,845.60 = 515,080,392,196.80/x
  3. Step 3: Cross multiply
    1,771,486,907,908.80x = 2,656,972,372,845.60 × 515,080,392,196.80
  4. Step 4: Simplify right side
    1,771,486,907,908.80x = 1,368,554,371,861,373,926,768,640
  5. Step 5: Solve for x
    x = 1,368,554,371,861,373,926,768,640/1,771,486,907,908.80
  6. Step 6: Final answer
    x = 772,545,574,992.10

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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.