Finding the Fourth Proportional to 622,292,765.40, 858,762,253.26 and 343,832,305.14
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Solution
The fourth proportional to 622,292,765.40, 858,762,253.26 and 343,832,305.14 is: 474,487,607.00
Step by Step Solution
- Step 1: Write the proportion equation
622,292,765.40 : 858,762,253.26 = 343,832,305.14 : x - Step 2: Convert to fraction form
622,292,765.40/858,762,253.26 = 343,832,305.14/x - Step 3: Cross multiply
622,292,765.40x = 858,762,253.26 × 343,832,305.14 - Step 4: Simplify right side
622,292,765.40x = 295,270,205,105,606,272 - Step 5: Solve for x
x = 295,270,205,105,606,272/622,292,765.40 - Step 6: Final answer
x = 474,487,607.00
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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.