Finding the Fourth Proportional to 2,611,278,901.80, 3,916,918,352.70 and 2,094,718,249.80
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Solution
The fourth proportional to 2,611,278,901.80, 3,916,918,352.70 and 2,094,718,249.80 is: 3,142,077,374.70
Step by Step Solution
- Step 1: Write the proportion equation
2,611,278,901.80 : 3,916,918,352.70 = 2,094,718,249.80 : x - Step 2: Convert to fraction form
2,611,278,901.80/3,916,918,352.70 = 2,094,718,249.80/x - Step 3: Cross multiply
2,611,278,901.80x = 3,916,918,352.70 × 2,094,718,249.80 - Step 4: Simplify right side
2,611,278,901.80x = 8,204,840,356,377,242,624 - Step 5: Solve for x
x = 8,204,840,356,377,242,624/2,611,278,901.80 - Step 6: Final answer
x = 3,142,077,374.70
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1.5x scale
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.