Finding the Fourth Proportional to 3,963,752,249.52, 5,470,326,646.98 and 2,179,920,046.14
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Solution
The fourth proportional to 3,963,752,249.52, 5,470,326,646.98 and 2,179,920,046.14 is: 3,008,481,349.49
Step by Step Solution
- Step 1: Write the proportion equation
3,963,752,249.52 : 5,470,326,646.98 = 2,179,920,046.14 : x - Step 2: Convert to fraction form
3,963,752,249.52/5,470,326,646.98 = 2,179,920,046.14/x - Step 3: Cross multiply
3,963,752,249.52x = 5,470,326,646.98 × 2,179,920,046.14 - Step 4: Simplify right side
3,963,752,249.52x = 11,924,874,716,685,510,656 - Step 5: Solve for x
x = 11,924,874,716,685,510,656/3,963,752,249.52 - Step 6: Final answer
x = 3,008,481,349.49
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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.