Finding the Fourth Proportional to 1,753,124,147.25, 2,419,387,372.49 and 970,842,995.25
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Solution
The fourth proportional to 1,753,124,147.25, 2,419,387,372.49 and 970,842,995.25 is: 1,339,805,447.92
Step by Step Solution
- Step 1: Write the proportion equation
1,753,124,147.25 : 2,419,387,372.49 = 970,842,995.25 : x - Step 2: Convert to fraction form
1,753,124,147.25/2,419,387,372.49 = 970,842,995.25/x - Step 3: Cross multiply
1,753,124,147.25x = 2,419,387,372.49 × 970,842,995.25 - Step 4: Simplify right side
1,753,124,147.25x = 2,348,845,283,373,364,736 - Step 5: Solve for x
x = 2,348,845,283,373,364,736/1,753,124,147.25 - Step 6: Final answer
x = 1,339,805,447.92
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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.