Finding the Fourth Proportional to 2,157,287,731.74, 2,976,209,976.69 and 1,252,889,704.98
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Solution
The fourth proportional to 2,157,287,731.74, 2,976,209,976.69 and 1,252,889,704.98 is: 1,728,495,825.94
Step by Step Solution
- Step 1: Write the proportion equation
2,157,287,731.74 : 2,976,209,976.69 = 1,252,889,704.98 : x - Step 2: Convert to fraction form
2,157,287,731.74/2,976,209,976.69 = 1,252,889,704.98/x - Step 3: Cross multiply
2,157,287,731.74x = 2,976,209,976.69 × 1,252,889,704.98 - Step 4: Simplify right side
2,157,287,731.74x = 3,728,862,839,653,666,816 - Step 5: Solve for x
x = 3,728,862,839,653,666,816/2,157,287,731.74 - Step 6: Final answer
x = 1,728,495,825.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.