Finding the Fourth Proportional to 1,572,653,212.44, 2,170,307,556.50 and 858,234,893.73
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Solution
The fourth proportional to 1,572,653,212.44, 2,170,307,556.50 and 858,234,893.73 is: 1,184,389,323.96
Step by Step Solution
- Step 1: Write the proportion equation
1,572,653,212.44 : 2,170,307,556.50 = 858,234,893.73 : x - Step 2: Convert to fraction form
1,572,653,212.44/2,170,307,556.50 = 858,234,893.73/x - Step 3: Cross multiply
1,572,653,212.44x = 2,170,307,556.50 × 858,234,893.73 - Step 4: Simplify right side
1,572,653,212.44x = 1,862,633,675,109,902,336 - Step 5: Solve for x
x = 1,862,633,675,109,902,336/1,572,653,212.44 - Step 6: Final answer
x = 1,184,389,323.96
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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.