Finding the Fourth Proportional to 831,587,189,679.30, 1,245,232,511,623.40 and 573,932,982,664.92
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Solution
The fourth proportional to 831,587,189,679.30, 1,245,232,511,623.40 and 573,932,982,664.92 is: 859,416,809,658.84
Step by Step Solution
- Step 1: Write the proportion equation
831,587,189,679.30 : 1,245,232,511,623.40 = 573,932,982,664.92 : x - Step 2: Convert to fraction form
831,587,189,679.30/1,245,232,511,623.40 = 573,932,982,664.92/x - Step 3: Cross multiply
831,587,189,679.30x = 1,245,232,511,623.40 × 573,932,982,664.92 - Step 4: Simplify right side
831,587,189,679.30x = 714,680,009,507,347,594,477,568 - Step 5: Solve for x
x = 714,680,009,507,347,594,477,568/831,587,189,679.30 - Step 6: Final answer
x = 859,416,809,658.84
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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.