Finding the Fourth Proportional to 3,887,754,864.40, 5,363,125,173.11 and 2,361,436,839.90
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Solution
The fourth proportional to 3,887,754,864.40, 5,363,125,173.11 and 2,361,436,839.90 is: 3,257,582,281.42
Step by Step Solution
- Step 1: Write the proportion equation
3,887,754,864.40 : 5,363,125,173.11 = 2,361,436,839.90 : x - Step 2: Convert to fraction form
3,887,754,864.40/5,363,125,173.11 = 2,361,436,839.90/x - Step 3: Cross multiply
3,887,754,864.40x = 5,363,125,173.11 × 2,361,436,839.90 - Step 4: Simplify right side
3,887,754,864.40x = 12,664,681,360,738,394,112 - Step 5: Solve for x
x = 12,664,681,360,738,394,112/3,887,754,864.40 - Step 6: Final answer
x = 3,257,582,281.42
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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.