Finding the Fourth Proportional to 357,369,334.97, 493,093,182.96 and 208,622,952.68
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Solution
The fourth proportional to 357,369,334.97, 493,093,182.96 and 208,622,952.68 is: 287,855,016.39
Step by Step Solution
- Step 1: Write the proportion equation
357,369,334.97 : 493,093,182.96 = 208,622,952.68 : x - Step 2: Convert to fraction form
357,369,334.97/493,093,182.96 = 208,622,952.68/x - Step 3: Cross multiply
357,369,334.97x = 493,093,182.96 × 208,622,952.68 - Step 4: Simplify right side
357,369,334.97x = 102,870,555,773,029,200 - Step 5: Solve for x
x = 102,870,555,773,029,200/357,369,334.97 - Step 6: Final answer
x = 287,855,016.39
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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.