Home / 1,181,199,011.80-1,771,630,556.10-404,880,496.60

Finding the Fourth Proportional to 1,181,199,011.80, 1,771,630,556.10 and 404,880,496.60

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Solution

The fourth proportional to 1,181,199,011.80, 1,771,630,556.10 and 404,880,496.60 is: 607,263,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,199,011.80 : 1,771,630,556.10 = 404,880,496.60 : x
  2. Step 2: Convert to fraction form
    1,181,199,011.80/1,771,630,556.10 = 404,880,496.60/x
  3. Step 3: Cross multiply
    1,181,199,011.80x = 1,771,630,556.10 × 404,880,496.60
  4. Step 4: Simplify right side
    1,181,199,011.80x = 717,298,659,345,502,208
  5. Step 5: Solve for x
    x = 717,298,659,345,502,208/1,181,199,011.80
  6. Step 6: Final answer
    x = 607,263,172.57

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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.