Finding the Fourth Proportional to 5,047,824,948.19, 6,965,870,095.34 and 2,820,173,866.99
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Solution
The fourth proportional to 5,047,824,948.19, 6,965,870,095.34 and 2,820,173,866.99 is: 3,891,768,237.87
Step by Step Solution
- Step 1: Write the proportion equation
5,047,824,948.19 : 6,965,870,095.34 = 2,820,173,866.99 : x - Step 2: Convert to fraction form
5,047,824,948.19/6,965,870,095.34 = 2,820,173,866.99/x - Step 3: Cross multiply
5,047,824,948.19x = 6,965,870,095.34 × 2,820,173,866.99 - Step 4: Simplify right side
5,047,824,948.19x = 19,644,964,803,703,930,880 - Step 5: Solve for x
x = 19,644,964,803,703,930,880/5,047,824,948.19 - Step 6: Final answer
x = 3,891,768,237.87
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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.