Finding the Fourth Proportional to 2,873,475,042,471.20, 3,965,420,287,316.20 and 1,638,943,011,017
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Solution
The fourth proportional to 2,873,475,042,471.20, 3,965,420,287,316.20 and 1,638,943,011,017 is: 2,261,755,459,707.30
Step by Step Solution
- Step 1: Write the proportion equation
2,873,475,042,471.20 : 3,965,420,287,316.20 = 1,638,943,011,017 : x - Step 2: Convert to fraction form
2,873,475,042,471.20/3,965,420,287,316.20 = 1,638,943,011,017/x - Step 3: Cross multiply
2,873,475,042,471.20x = 3,965,420,287,316.20 × 1,638,943,011,017 - Step 4: Simplify right side
2,873,475,042,471.20x = 6,499,097,865,641,910,117,335,040 - Step 5: Solve for x
x = 6,499,097,865,641,910,117,335,040/2,873,475,042,471.20 - Step 6: Final answer
x = 2,261,755,459,707.30
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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.