Finding the Fourth Proportional to 407,158,199.13, 561,833,356.97 and 228,501,110.79
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Solution
The fourth proportional to 407,158,199.13, 561,833,356.97 and 228,501,110.79 is: 315,306,302.12
Step by Step Solution
- Step 1: Write the proportion equation
407,158,199.13 : 561,833,356.97 = 228,501,110.79 : x - Step 2: Convert to fraction form
407,158,199.13/561,833,356.97 = 228,501,110.79/x - Step 3: Cross multiply
407,158,199.13x = 561,833,356.97 × 228,501,110.79 - Step 4: Simplify right side
407,158,199.13x = 128,379,546,145,377,088 - Step 5: Solve for x
x = 128,379,546,145,377,088/407,158,199.13 - Step 6: Final answer
x = 315,306,302.12
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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.