Finding the Fourth Proportional to 1,087,996,138.37, 1,632,314,400.75 and 351,052,218.08
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Solution
The fourth proportional to 1,087,996,138.37, 1,632,314,400.75 and 351,052,218.08 is: 526,681,640.47
Step by Step Solution
- Step 1: Write the proportion equation
1,087,996,138.37 : 1,632,314,400.75 = 351,052,218.08 : x - Step 2: Convert to fraction form
1,087,996,138.37/1,632,314,400.75 = 351,052,218.08/x - Step 3: Cross multiply
1,087,996,138.37x = 1,632,314,400.75 × 351,052,218.08 - Step 4: Simplify right side
1,087,996,138.37x = 573,027,590,979,051,904 - Step 5: Solve for x
x = 573,027,590,979,051,904/1,087,996,138.37 - Step 6: Final answer
x = 526,681,640.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.