Finding the Fourth Proportional to 1,631,523,770.36, 2,251,503,127.06 and 888,967,833.08
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Solution
The fourth proportional to 1,631,523,770.36, 2,251,503,127.06 and 888,967,833.08 is: 1,226,775,786.17
Step by Step Solution
- Step 1: Write the proportion equation
1,631,523,770.36 : 2,251,503,127.06 = 888,967,833.08 : x - Step 2: Convert to fraction form
1,631,523,770.36/2,251,503,127.06 = 888,967,833.08/x - Step 3: Cross multiply
1,631,523,770.36x = 2,251,503,127.06 × 888,967,833.08 - Step 4: Simplify right side
1,631,523,770.36x = 2,001,513,856,035,372,032 - Step 5: Solve for x
x = 2,001,513,856,035,372,032/1,631,523,770.36 - Step 6: Final answer
x = 1,226,775,786.17
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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.