Finding the Fourth Proportional to 1,403,393,236,190.10, 1,936,694,037,179.80 and 777,684,455,693.34
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Solution
The fourth proportional to 1,403,393,236,190.10, 1,936,694,037,179.80 and 777,684,455,693.34 is: 1,073,210,850,180.19
Step by Step Solution
- Step 1: Write the proportion equation
1,403,393,236,190.10 : 1,936,694,037,179.80 = 777,684,455,693.34 : x - Step 2: Convert to fraction form
1,403,393,236,190.10/1,936,694,037,179.80 = 777,684,455,693.34/x - Step 3: Cross multiply
1,403,393,236,190.10x = 1,936,694,037,179.80 × 777,684,455,693.34 - Step 4: Simplify right side
1,403,393,236,190.10x = 1,506,136,848,148,709,888,753,664 - Step 5: Solve for x
x = 1,506,136,848,148,709,888,753,664/1,403,393,236,190.10 - Step 6: Final answer
x = 1,073,210,850,180.19
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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.