Finding the Fourth Proportional to 1,334,492,386.12, 1,841,599,452.94 and 739,775,363.45
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Solution
The fourth proportional to 1,334,492,386.12, 1,841,599,452.94 and 739,775,363.45 is: 1,020,889,979.44
Step by Step Solution
- Step 1: Write the proportion equation
1,334,492,386.12 : 1,841,599,452.94 = 739,775,363.45 : x - Step 2: Convert to fraction form
1,334,492,386.12/1,841,599,452.94 = 739,775,363.45/x - Step 3: Cross multiply
1,334,492,386.12x = 1,841,599,452.94 × 739,775,363.45 - Step 4: Simplify right side
1,334,492,386.12x = 1,362,369,904,628,009,728 - Step 5: Solve for x
x = 1,362,369,904,628,009,728/1,334,492,386.12 - Step 6: Final answer
x = 1,020,889,979.44
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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.