Finding the Fourth Proportional to 2,390,910,905.44, 3,299,539,095.12 and 1,387,252,684
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Solution
The fourth proportional to 2,390,910,905.44, 3,299,539,095.12 and 1,387,252,684 is: 1,914,456,308.37
Step by Step Solution
- Step 1: Write the proportion equation
2,390,910,905.44 : 3,299,539,095.12 = 1,387,252,684 : x - Step 2: Convert to fraction form
2,390,910,905.44/3,299,539,095.12 = 1,387,252,684/x - Step 3: Cross multiply
2,390,910,905.44x = 3,299,539,095.12 × 1,387,252,684 - Step 4: Simplify right side
2,390,910,905.44x = 4,577,294,465,668,151,296 - Step 5: Solve for x
x = 4,577,294,465,668,151,296/2,390,910,905.44 - Step 6: Final answer
x = 1,914,456,308.37
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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.