Finding the Fourth Proportional to 1,403,393,236,223.20, 1,936,694,037,225.50 and 777,684,455,726.56
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Solution
The fourth proportional to 1,403,393,236,223.20, 1,936,694,037,225.50 and 777,684,455,726.56 is: 1,073,210,850,226.05
Step by Step Solution
- Step 1: Write the proportion equation
1,403,393,236,223.20 : 1,936,694,037,225.50 = 777,684,455,726.56 : x - Step 2: Convert to fraction form
1,403,393,236,223.20/1,936,694,037,225.50 = 777,684,455,726.56/x - Step 3: Cross multiply
1,403,393,236,223.20x = 1,936,694,037,225.50 × 777,684,455,726.56 - Step 4: Simplify right side
1,403,393,236,223.20x = 1,506,136,848,248,587,205,738,496 - Step 5: Solve for x
x = 1,506,136,848,248,587,205,738,496/1,403,393,236,223.20 - Step 6: Final answer
x = 1,073,210,850,226.05
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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.