Finding the Fourth Proportional to 831,977,471.68, 1,148,114,794.62 and 460,691,531.44
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Solution
The fourth proportional to 831,977,471.68, 1,148,114,794.62 and 460,691,531.44 is: 635,746,496.76
Step by Step Solution
- Step 1: Write the proportion equation
831,977,471.68 : 1,148,114,794.62 = 460,691,531.44 : x - Step 2: Convert to fraction form
831,977,471.68/1,148,114,794.62 = 460,691,531.44/x - Step 3: Cross multiply
831,977,471.68x = 1,148,114,794.62 × 460,691,531.44 - Step 4: Simplify right side
831,977,471.68x = 528,926,763,001,243,072 - Step 5: Solve for x
x = 528,926,763,001,243,072/831,977,471.68 - Step 6: Final answer
x = 635,746,496.76
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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.