Finding the Fourth Proportional to 2,438,294,468.40, 3,364,843,805.72 and 1,324,461,433.68
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Solution
The fourth proportional to 2,438,294,468.40, 3,364,843,805.72 and 1,324,461,433.68 is: 1,827,755,387.54
Step by Step Solution
- Step 1: Write the proportion equation
2,438,294,468.40 : 3,364,843,805.72 = 1,324,461,433.68 : x - Step 2: Convert to fraction form
2,438,294,468.40/3,364,843,805.72 = 1,324,461,433.68/x - Step 3: Cross multiply
2,438,294,468.40x = 3,364,843,805.72 × 1,324,461,433.68 - Step 4: Simplify right side
2,438,294,468.40x = 4,456,605,851,033,178,624 - Step 5: Solve for x
x = 4,456,605,851,033,178,624/2,438,294,468.40 - Step 6: Final answer
x = 1,827,755,387.54
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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.