Finding the Fourth Proportional to 1,035,896,858.60, 1,553,845,287.90 and 988,121,114.60
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Solution
The fourth proportional to 1,035,896,858.60, 1,553,845,287.90 and 988,121,114.60 is: 1,482,181,671.90
Step by Step Solution
- Step 1: Write the proportion equation
1,035,896,858.60 : 1,553,845,287.90 = 988,121,114.60 : x - Step 2: Convert to fraction form
1,035,896,858.60/1,553,845,287.90 = 988,121,114.60/x - Step 3: Cross multiply
1,035,896,858.60x = 1,553,845,287.90 × 988,121,114.60 - Step 4: Simplify right side
1,035,896,858.60x = 1,535,387,337,795,706,112 - Step 5: Solve for x
x = 1,535,387,337,795,706,112/1,035,896,858.60 - Step 6: Final answer
x = 1,482,181,671.90
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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.