Finding the Fourth Proportional to 671,107,699.77, 926,241,324.21 and 389,026,591.14
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Solution
The fourth proportional to 671,107,699.77, 926,241,324.21 and 389,026,591.14 is: 536,922,024.67
Step by Step Solution
- Step 1: Write the proportion equation
671,107,699.77 : 926,241,324.21 = 389,026,591.14 : x - Step 2: Convert to fraction form
671,107,699.77/926,241,324.21 = 389,026,591.14/x - Step 3: Cross multiply
671,107,699.77x = 926,241,324.21 × 389,026,591.14 - Step 4: Simplify right side
671,107,699.77x = 360,332,504,930,415,872 - Step 5: Solve for x
x = 360,332,504,930,415,872/671,107,699.77 - Step 6: Final answer
x = 536,922,024.67
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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.