Finding the Fourth Proportional to 314,544,257.62, 471,816,372.76 and 298,815,810.19
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Solution
The fourth proportional to 314,544,257.62, 471,816,372.76 and 298,815,810.19 is: 448,223,702.30
Step by Step Solution
- Step 1: Write the proportion equation
314,544,257.62 : 471,816,372.76 = 298,815,810.19 : x - Step 2: Convert to fraction form
314,544,257.62/471,816,372.76 = 298,815,810.19/x - Step 3: Cross multiply
314,544,257.62x = 471,816,372.76 × 298,815,810.19 - Step 4: Simplify right side
314,544,257.62x = 140,986,191,685,259,856 - Step 5: Solve for x
x = 140,986,191,685,259,856/314,544,257.62 - Step 6: Final answer
x = 448,223,702.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.