Finding the Fourth Proportional to 1,631,523,791.44, 2,251,503,156 and 888,967,853.92
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Solution
The fourth proportional to 1,631,523,791.44, 2,251,503,156 and 888,967,853.92 is: 1,226,775,814.85
Step by Step Solution
- Step 1: Write the proportion equation
1,631,523,791.44 : 2,251,503,156 = 888,967,853.92 : x - Step 2: Convert to fraction form
1,631,523,791.44/2,251,503,156 = 888,967,853.92/x - Step 3: Cross multiply
1,631,523,791.44x = 2,251,503,156 × 888,967,853.92 - Step 4: Simplify right side
1,631,523,791.44x = 2,001,513,928,683,426,816 - Step 5: Solve for x
x = 2,001,513,928,683,426,816/1,631,523,791.44 - Step 6: Final answer
x = 1,226,775,814.85
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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.