Finding the Fourth Proportional to 2,239,261,622.28, 3,090,795,672.06 and 1,299,766,940.10
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Solution
The fourth proportional to 2,239,261,622.28, 3,090,795,672.06 and 1,299,766,940.10 is: 1,794,035,137.82
Step by Step Solution
- Step 1: Write the proportion equation
2,239,261,622.28 : 3,090,795,672.06 = 1,299,766,940.10 : x - Step 2: Convert to fraction form
2,239,261,622.28/3,090,795,672.06 = 1,299,766,940.10/x - Step 3: Cross multiply
2,239,261,622.28x = 3,090,795,672.06 × 1,299,766,940.10 - Step 4: Simplify right side
2,239,261,622.28x = 4,017,314,033,147,748,864 - Step 5: Solve for x
x = 4,017,314,033,147,748,864/2,239,261,622.28 - Step 6: Final answer
x = 1,794,035,137.82
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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.