Finding the Fourth Proportional to 6,527,386,536.66, 9,792,989,901.63 and 2,105,720,900.82
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Solution
The fourth proportional to 6,527,386,536.66, 9,792,989,901.63 and 2,105,720,900.82 is: 3,159,197,544.31
Step by Step Solution
- Step 1: Write the proportion equation
6,527,386,536.66 : 9,792,989,901.63 = 2,105,720,900.82 : x - Step 2: Convert to fraction form
6,527,386,536.66/9,792,989,901.63 = 2,105,720,900.82/x - Step 3: Cross multiply
6,527,386,536.66x = 9,792,989,901.63 × 2,105,720,900.82 - Step 4: Simplify right side
6,527,386,536.66x = 20,621,303,517,381,484,544 - Step 5: Solve for x
x = 20,621,303,517,381,484,544/6,527,386,536.66 - Step 6: Final answer
x = 3,159,197,544.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.