Finding the Fourth Proportional to 3,950,152,734.60, 5,445,937,365.64 and 3,138,108,514.99
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Solution
The fourth proportional to 3,950,152,734.60, 5,445,937,365.64 and 3,138,108,514.99 is: 4,326,400,412.19
Step by Step Solution
- Step 1: Write the proportion equation
3,950,152,734.60 : 5,445,937,365.64 = 3,138,108,514.99 : x - Step 2: Convert to fraction form
3,950,152,734.60/5,445,937,365.64 = 3,138,108,514.99/x - Step 3: Cross multiply
3,950,152,734.60x = 5,445,937,365.64 × 3,138,108,514.99 - Step 4: Simplify right side
3,950,152,734.60x = 17,089,942,419,195,633,664 - Step 5: Solve for x
x = 17,089,942,419,195,633,664/3,950,152,734.60 - Step 6: Final answer
x = 4,326,400,412.19
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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.