Finding the Fourth Proportional to 864,298,201.08, 1,296,445,361.94 and 667,847,295.48
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Solution
The fourth proportional to 864,298,201.08, 1,296,445,361.94 and 667,847,295.48 is: 1,001,769,444.42
Step by Step Solution
- Step 1: Write the proportion equation
864,298,201.08 : 1,296,445,361.94 = 667,847,295.48 : x - Step 2: Convert to fraction form
864,298,201.08/1,296,445,361.94 = 667,847,295.48/x - Step 3: Cross multiply
864,298,201.08x = 1,296,445,361.94 × 667,847,295.48 - Step 4: Simplify right side
864,298,201.08x = 865,827,528,709,218,816 - Step 5: Solve for x
x = 865,827,528,709,218,816/864,298,201.08 - Step 6: Final answer
x = 1,001,769,444.42
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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.