Finding the Fourth Proportional to 2,211,206,827,152.80, 3,051,201,143,239 and 1,222,282,352,891.70
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Solution
The fourth proportional to 2,211,206,827,152.80, 3,051,201,143,239 and 1,222,282,352,891.70 is: 1,686,603,562,682.60
Step by Step Solution
- Step 1: Write the proportion equation
2,211,206,827,152.80 : 3,051,201,143,239 = 1,222,282,352,891.70 : x - Step 2: Convert to fraction form
2,211,206,827,152.80/3,051,201,143,239 = 1,222,282,352,891.70/x - Step 3: Cross multiply
2,211,206,827,152.80x = 3,051,201,143,239 × 1,222,282,352,891.70 - Step 4: Simplify right side
2,211,206,827,152.80x = 3,729,429,312,504,009,897,017,344 - Step 5: Solve for x
x = 3,729,429,312,504,009,897,017,344/2,211,206,827,152.80 - Step 6: Final answer
x = 1,686,603,562,682.60
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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.