Finding the Fourth Proportional to 1,862,080,787.98, 2,569,786,185.81 and 1,026,702,775.18
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Solution
The fourth proportional to 1,862,080,787.98, 2,569,786,185.81 and 1,026,702,775.18 is: 1,416,913,071.45
Step by Step Solution
- Step 1: Write the proportion equation
1,862,080,787.98 : 2,569,786,185.81 = 1,026,702,775.18 : x - Step 2: Convert to fraction form
1,862,080,787.98/2,569,786,185.81 = 1,026,702,775.18/x - Step 3: Cross multiply
1,862,080,787.98x = 2,569,786,185.81 × 1,026,702,775.18 - Step 4: Simplify right side
1,862,080,787.98x = 2,638,406,608,590,353,920 - Step 5: Solve for x
x = 2,638,406,608,590,353,920/1,862,080,787.98 - Step 6: Final answer
x = 1,416,913,071.45
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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.