Finding the Fourth Proportional to 1,917,955,427.67, 2,645,320,044.32 and 1,650,482,085.99
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Solution
The fourth proportional to 1,917,955,427.67, 2,645,320,044.32 and 1,650,482,085.99 is: 2,276,410,224.07
Step by Step Solution
- Step 1: Write the proportion equation
1,917,955,427.67 : 2,645,320,044.32 = 1,650,482,085.99 : x - Step 2: Convert to fraction form
1,917,955,427.67/2,645,320,044.32 = 1,650,482,085.99/x - Step 3: Cross multiply
1,917,955,427.67x = 2,645,320,044.32 × 1,650,482,085.99 - Step 4: Simplify right side
1,917,955,427.67x = 4,366,053,344,852,180,480 - Step 5: Solve for x
x = 4,366,053,344,852,180,480/1,917,955,427.67 - Step 6: Final answer
x = 2,276,410,224.07
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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.