Finding the Fourth Proportional to 1,403,393,236,237.20, 1,936,694,037,244.80 and 777,684,455,740.56
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Solution
The fourth proportional to 1,403,393,236,237.20, 1,936,694,037,244.80 and 777,684,455,740.56 is: 1,073,210,850,245.36
Step by Step Solution
- Step 1: Write the proportion equation
1,403,393,236,237.20 : 1,936,694,037,244.80 = 777,684,455,740.56 : x - Step 2: Convert to fraction form
1,403,393,236,237.20/1,936,694,037,244.80 = 777,684,455,740.56/x - Step 3: Cross multiply
1,403,393,236,237.20x = 1,936,694,037,244.80 × 777,684,455,740.56 - Step 4: Simplify right side
1,403,393,236,237.20x = 1,506,136,848,290,710,365,929,472 - Step 5: Solve for x
x = 1,506,136,848,290,710,365,929,472/1,403,393,236,237.20 - Step 6: Final answer
x = 1,073,210,850,245.36
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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.