Home / 11,971,414,782.08-16,521,128,208.96-6,618,876,099.20

Finding the Fourth Proportional to 11,971,414,782.08, 16,521,128,208.96 and 6,618,876,099.20

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Solution

The fourth proportional to 11,971,414,782.08, 16,521,128,208.96 and 6,618,876,099.20 is: 9,134,367,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,414,782.08 : 16,521,128,208.96 = 6,618,876,099.20 : x
  2. Step 2: Convert to fraction form
    11,971,414,782.08/16,521,128,208.96 = 6,618,876,099.20/x
  3. Step 3: Cross multiply
    11,971,414,782.08x = 16,521,128,208.96 × 6,618,876,099.20
  4. Step 4: Simplify right side
    11,971,414,782.08x = 109,351,300,634,104,233,984
  5. Step 5: Solve for x
    x = 109,351,300,634,104,233,984/11,971,414,782.08
  6. Step 6: Final answer
    x = 9,134,367,376.34

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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.