Finding the Fourth Proportional to 2,978,874,418.08, 4,110,846,502.08 and 1,726,537,687.39
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Solution
The fourth proportional to 2,978,874,418.08, 4,110,846,502.08 and 1,726,537,687.39 is: 2,382,621,895.65
Step by Step Solution
- Step 1: Write the proportion equation
2,978,874,418.08 : 4,110,846,502.08 = 1,726,537,687.39 : x - Step 2: Convert to fraction form
2,978,874,418.08/4,110,846,502.08 = 1,726,537,687.39/x - Step 3: Cross multiply
2,978,874,418.08x = 4,110,846,502.08 × 1,726,537,687.39 - Step 4: Simplify right side
2,978,874,418.08x = 7,097,531,412,895,920,128 - Step 5: Solve for x
x = 7,097,531,412,895,920,128/2,978,874,418.08 - Step 6: Final answer
x = 2,382,621,895.65
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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.