Finding the Fourth Proportional to 2,199,927,583.46, 3,043,894,429.68 and 1,918,257,376.70
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Solution
The fourth proportional to 2,199,927,583.46, 3,043,894,429.68 and 1,918,257,376.70 is: 2,654,165,976.88
Step by Step Solution
- Step 1: Write the proportion equation
2,199,927,583.46 : 3,043,894,429.68 = 1,918,257,376.70 : x - Step 2: Convert to fraction form
2,199,927,583.46/3,043,894,429.68 = 1,918,257,376.70/x - Step 3: Cross multiply
2,199,927,583.46x = 3,043,894,429.68 × 1,918,257,376.70 - Step 4: Simplify right side
2,199,927,583.46x = 5,838,972,943,629,699,072 - Step 5: Solve for x
x = 5,838,972,943,629,699,072/2,199,927,583.46 - Step 6: Final answer
x = 2,654,165,976.88
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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.