Finding the Fourth Proportional to 1,087,996,202.78, 1,632,314,497.37 and 351,052,282.49
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Solution
The fourth proportional to 1,087,996,202.78, 1,632,314,497.37 and 351,052,282.49 is: 526,681,737.10
Step by Step Solution
- Step 1: Write the proportion equation
1,087,996,202.78 : 1,632,314,497.37 = 351,052,282.49 : x - Step 2: Convert to fraction form
1,087,996,202.78/1,632,314,497.37 = 351,052,282.49/x - Step 3: Cross multiply
1,087,996,202.78x = 1,632,314,497.37 × 351,052,282.49 - Step 4: Simplify right side
1,087,996,202.78x = 573,027,730,033,338,816 - Step 5: Solve for x
x = 573,027,730,033,338,816/1,087,996,202.78 - Step 6: Final answer
x = 526,681,737.10
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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.