Finding the Fourth Proportional to 5,194,526,101.20, 7,168,253,973.66 and 2,815,612,962.75
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Solution
The fourth proportional to 5,194,526,101.20, 7,168,253,973.66 and 2,815,612,962.75 is: 3,885,441,793.02
Step by Step Solution
- Step 1: Write the proportion equation
5,194,526,101.20 : 7,168,253,973.66 = 2,815,612,962.75 : x - Step 2: Convert to fraction form
5,194,526,101.20/7,168,253,973.66 = 2,815,612,962.75/x - Step 3: Cross multiply
5,194,526,101.20x = 7,168,253,973.66 × 2,815,612,962.75 - Step 4: Simplify right side
5,194,526,101.20x = 20,183,028,808,521,293,824 - Step 5: Solve for x
x = 20,183,028,808,521,293,824/5,194,526,101.20 - Step 6: Final answer
x = 3,885,441,793.02
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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.