Finding the Fourth Proportional to 1,627,925,983.13, 2,246,538,964.19 and 913,362,893.79
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Solution
The fourth proportional to 1,627,925,983.13, 2,246,538,964.19 and 913,362,893.79 is: 1,260,441,414.79
Step by Step Solution
- Step 1: Write the proportion equation
1,627,925,983.13 : 2,246,538,964.19 = 913,362,893.79 : x - Step 2: Convert to fraction form
1,627,925,983.13/2,246,538,964.19 = 913,362,893.79/x - Step 3: Cross multiply
1,627,925,983.13x = 2,246,538,964.19 × 913,362,893.79 - Step 4: Simplify right side
1,627,925,983.13x = 2,051,905,329,340,000,512 - Step 5: Solve for x
x = 2,051,905,329,340,000,512/1,627,925,983.13 - Step 6: Final answer
x = 1,260,441,414.79
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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.