Finding the Fourth Proportional to 665,658,147.66, 998,623,403.25 and 228,902,109.81
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Solution
The fourth proportional to 665,658,147.66, 998,623,403.25 and 228,902,109.81 is: 343,399,993.99
Step by Step Solution
- Step 1: Write the proportion equation
665,658,147.66 : 998,623,403.25 = 228,902,109.81 : x - Step 2: Convert to fraction form
665,658,147.66/998,623,403.25 = 228,902,109.81/x - Step 3: Cross multiply
665,658,147.66x = 998,623,403.25 × 228,902,109.81 - Step 4: Simplify right side
665,658,147.66x = 228,587,003,904,951,904 - Step 5: Solve for x
x = 228,587,003,904,951,904/665,658,147.66 - Step 6: Final answer
x = 343,399,993.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.