Finding the Fourth Proportional to 2,721,017,382.06, 3,754,764,450.09 and 1,515,267,536.70
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Solution
The fourth proportional to 2,721,017,382.06, 3,754,764,450.09 and 1,515,267,536.70 is: 2,090,935,808.31
Step by Step Solution
- Step 1: Write the proportion equation
2,721,017,382.06 : 3,754,764,450.09 = 1,515,267,536.70 : x - Step 2: Convert to fraction form
2,721,017,382.06/3,754,764,450.09 = 1,515,267,536.70/x - Step 3: Cross multiply
2,721,017,382.06x = 3,754,764,450.09 × 1,515,267,536.70 - Step 4: Simplify right side
2,721,017,382.06x = 5,689,472,679,176,604,672 - Step 5: Solve for x
x = 5,689,472,679,176,604,672/2,721,017,382.06 - Step 6: Final answer
x = 2,090,935,808.31
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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.