Finding the Fourth Proportional to 2,347,759,706.49, 3,239,864,808.62 and 1,290,465,076.05
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Solution
The fourth proportional to 2,347,759,706.49, 3,239,864,808.62 and 1,290,465,076.05 is: 1,780,817,847.37
Step by Step Solution
- Step 1: Write the proportion equation
2,347,759,706.49 : 3,239,864,808.62 = 1,290,465,076.05 : x - Step 2: Convert to fraction form
2,347,759,706.49/3,239,864,808.62 = 1,290,465,076.05/x - Step 3: Cross multiply
2,347,759,706.49x = 3,239,864,808.62 × 1,290,465,076.05 - Step 4: Simplify right side
2,347,759,706.49x = 4,180,932,386,647,526,912 - Step 5: Solve for x
x = 4,180,932,386,647,526,912/2,347,759,706.49 - Step 6: Final answer
x = 1,780,817,847.37
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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.