Finding the Fourth Proportional to 1,921,264,146,583, 2,651,393,305,045.70 and 1,054,168,694,947.70
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Solution
The fourth proportional to 1,921,264,146,583, 2,651,393,305,045.70 and 1,054,168,694,947.70 is: 1,454,779,565,394.00
Step by Step Solution
- Step 1: Write the proportion equation
1,921,264,146,583 : 2,651,393,305,045.70 = 1,054,168,694,947.70 : x - Step 2: Convert to fraction form
1,921,264,146,583/2,651,393,305,045.70 = 1,054,168,694,947.70/x - Step 3: Cross multiply
1,921,264,146,583x = 2,651,393,305,045.70 × 1,054,168,694,947.70 - Step 4: Simplify right side
1,921,264,146,583x = 2,795,015,820,173,094,839,910,400 - Step 5: Solve for x
x = 2,795,015,820,173,094,839,910,400/1,921,264,146,583 - Step 6: Final answer
x = 1,454,779,565,394.00
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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.