Finding the Fourth Proportional to 415,195,246.60, 622,367,717.10 and 242,583,209.80
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Solution
The fourth proportional to 415,195,246.60, 622,367,717.10 and 242,583,209.80 is: 363,626,413.66
Step by Step Solution
- Step 1: Write the proportion equation
415,195,246.60 : 622,367,717.10 = 242,583,209.80 : x - Step 2: Convert to fraction form
415,195,246.60/622,367,717.10 = 242,583,209.80/x - Step 3: Cross multiply
415,195,246.60x = 622,367,717.10 × 242,583,209.80 - Step 4: Simplify right side
415,195,246.60x = 150,975,958,490,016,352 - Step 5: Solve for x
x = 150,975,958,490,016,352/415,195,246.60 - Step 6: Final answer
x = 363,626,413.66
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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.