Finding the Fourth Proportional to 2,107,616,505.12, 2,908,507,924.08 and 1,167,880,003.92
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Solution
The fourth proportional to 2,107,616,505.12, 2,908,507,924.08 and 1,167,880,003.92 is: 1,611,672,824.50
Step by Step Solution
- Step 1: Write the proportion equation
2,107,616,505.12 : 2,908,507,924.08 = 1,167,880,003.92 : x - Step 2: Convert to fraction form
2,107,616,505.12/2,908,507,924.08 = 1,167,880,003.92/x - Step 3: Cross multiply
2,107,616,505.12x = 2,908,507,924.08 × 1,167,880,003.92 - Step 4: Simplify right side
2,107,616,505.12x = 3,396,788,245,775,901,696 - Step 5: Solve for x
x = 3,396,788,245,775,901,696/2,107,616,505.12 - Step 6: Final answer
x = 1,611,672,824.50
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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.