Finding the Fourth Proportional to 2,721,017,394.06, 3,754,764,466.62 and 1,515,267,548.70
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Solution
The fourth proportional to 2,721,017,394.06, 3,754,764,466.62 and 1,515,267,548.70 is: 2,090,935,824.85
Step by Step Solution
- Step 1: Write the proportion equation
2,721,017,394.06 : 3,754,764,466.62 = 1,515,267,548.70 : x - Step 2: Convert to fraction form
2,721,017,394.06/3,754,764,466.62 = 1,515,267,548.70/x - Step 3: Cross multiply
2,721,017,394.06x = 3,754,764,466.62 × 1,515,267,548.70 - Step 4: Simplify right side
2,721,017,394.06x = 5,689,472,749,281,149,952 - Step 5: Solve for x
x = 5,689,472,749,281,149,952/2,721,017,394.06 - Step 6: Final answer
x = 2,090,935,824.85
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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.