Finding the Fourth Proportional to 995,836,692.84, 1,374,375,142.77 and 566,778,301.44
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Solution
The fourth proportional to 995,836,692.84, 1,374,375,142.77 and 566,778,301.44 is: 782,222,642.09
Step by Step Solution
- Step 1: Write the proportion equation
995,836,692.84 : 1,374,375,142.77 = 566,778,301.44 : x - Step 2: Convert to fraction form
995,836,692.84/1,374,375,142.77 = 566,778,301.44/x - Step 3: Cross multiply
995,836,692.84x = 1,374,375,142.77 × 566,778,301.44 - Step 4: Simplify right side
995,836,692.84x = 778,966,008,960,538,112 - Step 5: Solve for x
x = 778,966,008,960,538,112/995,836,692.84 - Step 6: Final answer
x = 782,222,642.09
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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.