Finding the Fourth Proportional to 493,937,816.76, 681,635,161.44 and 270,921,313.62
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Solution
The fourth proportional to 493,937,816.76, 681,635,161.44 and 270,921,313.62 is: 373,871,947.20
Step by Step Solution
- Step 1: Write the proportion equation
493,937,816.76 : 681,635,161.44 = 270,921,313.62 : x - Step 2: Convert to fraction form
493,937,816.76/681,635,161.44 = 270,921,313.62/x - Step 3: Cross multiply
493,937,816.76x = 681,635,161.44 × 270,921,313.62 - Step 4: Simplify right side
493,937,816.76x = 184,669,493,346,905,600 - Step 5: Solve for x
x = 184,669,493,346,905,600/493,937,816.76 - Step 6: Final answer
x = 373,871,947.20
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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.