Finding the Fourth Proportional to 831,587,189,668.66, 1,245,232,511,607.40 and 573,932,982,654.28
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Solution
The fourth proportional to 831,587,189,668.66, 1,245,232,511,607.40 and 573,932,982,654.28 is: 859,416,809,642.86
Step by Step Solution
- Step 1: Write the proportion equation
831,587,189,668.66 : 1,245,232,511,607.40 = 573,932,982,654.28 : x - Step 2: Convert to fraction form
831,587,189,668.66/1,245,232,511,607.40 = 573,932,982,654.28/x - Step 3: Cross multiply
831,587,189,668.66x = 1,245,232,511,607.40 × 573,932,982,654.28 - Step 4: Simplify right side
831,587,189,668.66x = 714,680,009,484,915,382,943,744 - Step 5: Solve for x
x = 714,680,009,484,915,382,943,744/831,587,189,668.66 - Step 6: Final answer
x = 859,416,809,642.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.