Finding the Fourth Proportional to 2,558,954,431.20, 3,838,431,646.80 and 1,671,235,384.80
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Solution
The fourth proportional to 2,558,954,431.20, 3,838,431,646.80 and 1,671,235,384.80 is: 2,506,853,077.20
Step by Step Solution
- Step 1: Write the proportion equation
2,558,954,431.20 : 3,838,431,646.80 = 1,671,235,384.80 : x - Step 2: Convert to fraction form
2,558,954,431.20/3,838,431,646.80 = 1,671,235,384.80/x - Step 3: Cross multiply
2,558,954,431.20x = 3,838,431,646.80 × 1,671,235,384.80 - Step 4: Simplify right side
2,558,954,431.20x = 6,414,922,790,268,296,192 - Step 5: Solve for x
x = 6,414,922,790,268,296,192/2,558,954,431.20 - Step 6: Final answer
x = 2,506,853,077.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.