Finding the Fourth Proportional to 2,598,427,381.36, 3,896,084,552.68 and 827,032,951.80
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Solution
The fourth proportional to 2,598,427,381.36, 3,896,084,552.68 and 827,032,951.80 is: 1,240,054,015.43
Step by Step Solution
- Step 1: Write the proportion equation
2,598,427,381.36 : 3,896,084,552.68 = 827,032,951.80 : x - Step 2: Convert to fraction form
2,598,427,381.36/3,896,084,552.68 = 827,032,951.80/x - Step 3: Cross multiply
2,598,427,381.36x = 3,896,084,552.68 × 827,032,951.80 - Step 4: Simplify right side
2,598,427,381.36x = 3,222,190,308,065,322,496 - Step 5: Solve for x
x = 3,222,190,308,065,322,496/2,598,427,381.36 - Step 6: Final answer
x = 1,240,054,015.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.