Finding the Fourth Proportional to 5,220,418,921.44, 7,204,368,191.76 and 2,841,441,873.36
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Solution
The fourth proportional to 5,220,418,921.44, 7,204,368,191.76 and 2,841,441,873.36 is: 3,921,293,244.70
Step by Step Solution
- Step 1: Write the proportion equation
5,220,418,921.44 : 7,204,368,191.76 = 2,841,441,873.36 : x - Step 2: Convert to fraction form
5,220,418,921.44/7,204,368,191.76 = 2,841,441,873.36/x - Step 3: Cross multiply
5,220,418,921.44x = 7,204,368,191.76 × 2,841,441,873.36 - Step 4: Simplify right side
5,220,418,921.44x = 20,470,793,451,169,730,560 - Step 5: Solve for x
x = 20,470,793,451,169,730,560/5,220,418,921.44 - Step 6: Final answer
x = 3,921,293,244.70
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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.