Finding the Fourth Proportional to 2,327,430,545.72, 3,211,922,245.74 and 1,270,226,325.56
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Solution
The fourth proportional to 2,327,430,545.72, 3,211,922,245.74 and 1,270,226,325.56 is: 1,752,949,491.74
Step by Step Solution
- Step 1: Write the proportion equation
2,327,430,545.72 : 3,211,922,245.74 = 1,270,226,325.56 : x - Step 2: Convert to fraction form
2,327,430,545.72/3,211,922,245.74 = 1,270,226,325.56/x - Step 3: Cross multiply
2,327,430,545.72x = 3,211,922,245.74 × 1,270,226,325.56 - Step 4: Simplify right side
2,327,430,545.72x = 4,079,868,192,190,743,040 - Step 5: Solve for x
x = 4,079,868,192,190,743,040/2,327,430,545.72 - Step 6: Final answer
x = 1,752,949,491.74
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1.5x scale
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.