Finding the Fourth Proportional to 858,793,925.66, 1,288,190,691.66 and 245,378,158.70
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Solution
The fourth proportional to 858,793,925.66, 1,288,190,691.66 and 245,378,158.70 is: 368,067,181.81
Step by Step Solution
- Step 1: Write the proportion equation
858,793,925.66 : 1,288,190,691.66 = 245,378,158.70 : x - Step 2: Convert to fraction form
858,793,925.66/1,288,190,691.66 = 245,378,158.70/x - Step 3: Cross multiply
858,793,925.66x = 1,288,190,691.66 × 245,378,158.70 - Step 4: Simplify right side
858,793,925.66x = 316,093,859,974,010,240 - Step 5: Solve for x
x = 316,093,859,974,010,240/858,793,925.66 - Step 6: Final answer
x = 368,067,181.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.