Finding the Fourth Proportional to 2,129,364,601.96, 3,191,191,832.76 and 1,657,233,739.48
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Solution
The fourth proportional to 2,129,364,601.96, 3,191,191,832.76 and 1,657,233,739.48 is: 2,483,628,576.12
Step by Step Solution
- Step 1: Write the proportion equation
2,129,364,601.96 : 3,191,191,832.76 = 1,657,233,739.48 : x - Step 2: Convert to fraction form
2,129,364,601.96/3,191,191,832.76 = 1,657,233,739.48/x - Step 3: Cross multiply
2,129,364,601.96x = 3,191,191,832.76 × 1,657,233,739.48 - Step 4: Simplify right side
2,129,364,601.96x = 5,288,550,774,402,889,728 - Step 5: Solve for x
x = 5,288,550,774,402,889,728/2,129,364,601.96 - Step 6: Final answer
x = 2,483,628,576.12
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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.