Home / 12,475,502,733.03-17,222,130,327.35-8,357,978,556.87

Finding the Fourth Proportional to 12,475,502,733.03, 17,222,130,327.35 and 8,357,978,556.87

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Solution

The fourth proportional to 12,475,502,733.03, 17,222,130,327.35 and 8,357,978,556.87 is: 11,537,987,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,502,733.03 : 17,222,130,327.35 = 8,357,978,556.87 : x
  2. Step 2: Convert to fraction form
    12,475,502,733.03/17,222,130,327.35 = 8,357,978,556.87/x
  3. Step 3: Cross multiply
    12,475,502,733.03x = 17,222,130,327.35 × 8,357,978,556.87
  4. Step 4: Simplify right side
    12,475,502,733.03x = 143,942,195,979,570,036,736
  5. Step 5: Solve for x
    x = 143,942,195,979,570,036,736/12,475,502,733.03
  6. Step 6: Final answer
    x = 11,537,987,611.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.