Finding the Fourth Proportional to 3,887,754,861.52, 5,363,125,169.14 and 2,361,436,837.02
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Solution
The fourth proportional to 3,887,754,861.52, 5,363,125,169.14 and 2,361,436,837.02 is: 3,257,582,277.45
Step by Step Solution
- Step 1: Write the proportion equation
3,887,754,861.52 : 5,363,125,169.14 = 2,361,436,837.02 : x - Step 2: Convert to fraction form
3,887,754,861.52/5,363,125,169.14 = 2,361,436,837.02/x - Step 3: Cross multiply
3,887,754,861.52x = 5,363,125,169.14 × 2,361,436,837.02 - Step 4: Simplify right side
3,887,754,861.52x = 12,664,681,335,956,314,112 - Step 5: Solve for x
x = 12,664,681,335,956,314,112/3,887,754,861.52 - Step 6: Final answer
x = 3,257,582,277.45
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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.