Finding the Fourth Proportional to 2,616,881,936.09, 3,925,357,094.84 and 870,084,672.71
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Solution
The fourth proportional to 2,616,881,936.09, 3,925,357,094.84 and 870,084,672.71 is: 1,305,138,377.09
Step by Step Solution
- Step 1: Write the proportion equation
2,616,881,936.09 : 3,925,357,094.84 = 870,084,672.71 : x - Step 2: Convert to fraction form
2,616,881,936.09/3,925,357,094.84 = 870,084,672.71/x - Step 3: Cross multiply
2,616,881,936.09x = 3,925,357,094.84 × 870,084,672.71 - Step 4: Simplify right side
2,616,881,936.09x = 3,415,393,043,109,761,024 - Step 5: Solve for x
x = 3,415,393,043,109,761,024/2,616,881,936.09 - Step 6: Final answer
x = 1,305,138,377.09
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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.