Finding the Fourth Proportional to 982,459,160.98, 1,355,304,190.28 and 585,702,582.82
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Solution
The fourth proportional to 982,459,160.98, 1,355,304,190.28 and 585,702,582.82 is: 807,977,772.80
Step by Step Solution
- Step 1: Write the proportion equation
982,459,160.98 : 1,355,304,190.28 = 585,702,582.82 : x - Step 2: Convert to fraction form
982,459,160.98/1,355,304,190.28 = 585,702,582.82/x - Step 3: Cross multiply
982,459,160.98x = 1,355,304,190.28 × 585,702,582.82 - Step 4: Simplify right side
982,459,160.98x = 793,805,164,753,764,736 - Step 5: Solve for x
x = 793,805,164,753,764,736/982,459,160.98 - Step 6: Final answer
x = 807,977,772.80
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1.5x scale
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.