Finding the Fourth Proportional to 320,851,858,919.62, 442,786,183,993.44 and 176,341,110,868.96
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Solution
The fourth proportional to 320,851,858,919.62, 442,786,183,993.44 and 176,341,110,868.96 is: 243,356,569,058.84
Step by Step Solution
- Step 1: Write the proportion equation
320,851,858,919.62 : 442,786,183,993.44 = 176,341,110,868.96 : x - Step 2: Convert to fraction form
320,851,858,919.62/442,786,183,993.44 = 176,341,110,868.96/x - Step 3: Cross multiply
320,851,858,919.62x = 442,786,183,993.44 × 176,341,110,868.96 - Step 4: Simplify right side
320,851,858,919.62x = 78,081,407,562,830,919,499,776 - Step 5: Solve for x
x = 78,081,407,562,830,919,499,776/320,851,858,919.62 - Step 6: Final answer
x = 243,356,569,058.84
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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.