Finding the Fourth Proportional to 798,868,562.63, 1,102,343,138.42 and 441,588,076.29
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Solution
The fourth proportional to 798,868,562.63, 1,102,343,138.42 and 441,588,076.29 is: 609,338,768.20
Step by Step Solution
- Step 1: Write the proportion equation
798,868,562.63 : 1,102,343,138.42 = 441,588,076.29 : x - Step 2: Convert to fraction form
798,868,562.63/1,102,343,138.42 = 441,588,076.29/x - Step 3: Cross multiply
798,868,562.63x = 1,102,343,138.42 × 441,588,076.29 - Step 4: Simplify right side
798,868,562.63x = 486,781,585,904,161,088 - Step 5: Solve for x
x = 486,781,585,904,161,088/798,868,562.63 - Step 6: Final answer
x = 609,338,768.20
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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.