Finding the Fourth Proportional to 1,629,750,651,352.40, 2,248,990,418,913.60 and 888,141,739,252.48
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Solution
The fourth proportional to 1,629,750,651,352.40, 2,248,990,418,913.60 and 888,141,739,252.48 is: 1,225,599,916,501.70
Step by Step Solution
- Step 1: Write the proportion equation
1,629,750,651,352.40 : 2,248,990,418,913.60 = 888,141,739,252.48 : x - Step 2: Convert to fraction form
1,629,750,651,352.40/2,248,990,418,913.60 = 888,141,739,252.48/x - Step 3: Cross multiply
1,629,750,651,352.40x = 2,248,990,418,913.60 × 888,141,739,252.48 - Step 4: Simplify right side
1,629,750,651,352.40x = 1,997,422,262,216,088,258,347,008 - Step 5: Solve for x
x = 1,997,422,262,216,088,258,347,008/1,629,750,651,352.40 - Step 6: Final answer
x = 1,225,599,916,501.70
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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.