Finding the Fourth Proportional to 2,758,192,747.92, 3,806,386,381.26 and 1,505,210,315.40
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Solution
The fourth proportional to 2,758,192,747.92, 3,806,386,381.26 and 1,505,210,315.40 is: 2,077,234,105.48
Step by Step Solution
- Step 1: Write the proportion equation
2,758,192,747.92 : 3,806,386,381.26 = 1,505,210,315.40 : x - Step 2: Convert to fraction form
2,758,192,747.92/3,806,386,381.26 = 1,505,210,315.40/x - Step 3: Cross multiply
2,758,192,747.92x = 3,806,386,381.26 × 1,505,210,315.40 - Step 4: Simplify right side
2,758,192,747.92x = 5,729,412,045,470,629,888 - Step 5: Solve for x
x = 5,729,412,045,470,629,888/2,758,192,747.92 - Step 6: Final answer
x = 2,077,234,105.48
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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.