Finding the Fourth Proportional to 11,971,414,781.08, 16,521,128,207.58 and 6,618,876,098.20
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Solution
The fourth proportional to 11,971,414,781.08, 16,521,128,207.58 and 6,618,876,098.20 is: 9,134,367,374.96
Step by Step Solution
- Step 1: Write the proportion equation
11,971,414,781.08 : 16,521,128,207.58 = 6,618,876,098.20 : x - Step 2: Convert to fraction form
11,971,414,781.08/16,521,128,207.58 = 6,618,876,098.20/x - Step 3: Cross multiply
11,971,414,781.08x = 16,521,128,207.58 × 6,618,876,098.20 - Step 4: Simplify right side
11,971,414,781.08x = 109,351,300,608,449,069,056 - Step 5: Solve for x
x = 109,351,300,608,449,069,056/11,971,414,781.08 - Step 6: Final answer
x = 9,134,367,374.96
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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.