Finding the Fourth Proportional to 219,352,661.68, 327,067,923.28 and 213,326,120.80
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Solution
The fourth proportional to 219,352,661.68, 327,067,923.28 and 213,326,120.80 is: 318,081,990.79
Step by Step Solution
- Step 1: Write the proportion equation
219,352,661.68 : 327,067,923.28 = 213,326,120.80 : x - Step 2: Convert to fraction form
219,352,661.68/327,067,923.28 = 213,326,120.80/x - Step 3: Cross multiply
219,352,661.68x = 327,067,923.28 × 213,326,120.80 - Step 4: Simplify right side
219,352,661.68x = 69,772,131,311,434,408 - Step 5: Solve for x
x = 69,772,131,311,434,408/219,352,661.68 - Step 6: Final answer
x = 318,081,990.79
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.