Finding the Fourth Proportional to 1,889,570,850.80, 2,834,356,276.20 and 1,399,794,825.20
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Solution
The fourth proportional to 1,889,570,850.80, 2,834,356,276.20 and 1,399,794,825.20 is: 2,099,692,237.80
Step by Step Solution
- Step 1: Write the proportion equation
1,889,570,850.80 : 2,834,356,276.20 = 1,399,794,825.20 : x - Step 2: Convert to fraction form
1,889,570,850.80/2,834,356,276.20 = 1,399,794,825.20/x - Step 3: Cross multiply
1,889,570,850.80x = 2,834,356,276.20 × 1,399,794,825.20 - Step 4: Simplify right side
1,889,570,850.80x = 3,967,517,248,197,901,824 - Step 5: Solve for x
x = 3,967,517,248,197,901,824/1,889,570,850.80 - Step 6: Final answer
x = 2,099,692,237.80
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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.