Finding the Fourth Proportional to 2,135,766,880,766.10, 2,947,610,969,121 and 1,268,675,084,710.80
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Solution
The fourth proportional to 2,135,766,880,766.10, 2,947,610,969,121 and 1,268,675,084,710.80 is: 1,750,921,708,554.02
Step by Step Solution
- Step 1: Write the proportion equation
2,135,766,880,766.10 : 2,947,610,969,121 = 1,268,675,084,710.80 : x - Step 2: Convert to fraction form
2,135,766,880,766.10/2,947,610,969,121 = 1,268,675,084,710.80/x - Step 3: Cross multiply
2,135,766,880,766.10x = 2,947,610,969,121 × 1,268,675,084,710.80 - Step 4: Simplify right side
2,135,766,880,766.10x = 3,739,560,595,944,067,920,035,840 - Step 5: Solve for x
x = 3,739,560,595,944,067,920,035,840/2,135,766,880,766.10 - Step 6: Final answer
x = 1,750,921,708,554.02
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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.