Finding the Fourth Proportional to 1,921,264,146,580, 2,651,393,305,041.60 and 1,054,168,694,944.70
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Solution
The fourth proportional to 1,921,264,146,580, 2,651,393,305,041.60 and 1,054,168,694,944.70 is: 1,454,779,565,389.88
Step by Step Solution
- Step 1: Write the proportion equation
1,921,264,146,580 : 2,651,393,305,041.60 = 1,054,168,694,944.70 : x - Step 2: Convert to fraction form
1,921,264,146,580/2,651,393,305,041.60 = 1,054,168,694,944.70/x - Step 3: Cross multiply
1,921,264,146,580x = 2,651,393,305,041.60 × 1,054,168,694,944.70 - Step 4: Simplify right side
1,921,264,146,580x = 2,795,015,820,160,818,212,765,696 - Step 5: Solve for x
x = 2,795,015,820,160,818,212,765,696/1,921,264,146,580 - Step 6: Final answer
x = 1,454,779,565,389.88
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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.