Finding the Fourth Proportional to 2,818,384,324.11, 3,889,370,243.93 and 1,565,437,764.87
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Solution
The fourth proportional to 2,818,384,324.11, 3,889,370,243.93 and 1,565,437,764.87 is: 2,160,304,047.01
Step by Step Solution
- Step 1: Write the proportion equation
2,818,384,324.11 : 3,889,370,243.93 = 1,565,437,764.87 : x - Step 2: Convert to fraction form
2,818,384,324.11/3,889,370,243.93 = 1,565,437,764.87/x - Step 3: Cross multiply
2,818,384,324.11x = 3,889,370,243.93 × 1,565,437,764.87 - Step 4: Simplify right side
2,818,384,324.11x = 6,088,567,061,401,838,592 - Step 5: Solve for x
x = 6,088,567,061,401,838,592/2,818,384,324.11 - Step 6: Final answer
x = 2,160,304,047.01
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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.