Finding the Fourth Proportional to 2,368,420,349.10, 3,268,290,595.92 and 1,296,516,318.60
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Solution
The fourth proportional to 2,368,420,349.10, 3,268,290,595.92 and 1,296,516,318.60 is: 1,789,121,636.77
Step by Step Solution
- Step 1: Write the proportion equation
2,368,420,349.10 : 3,268,290,595.92 = 1,296,516,318.60 : x - Step 2: Convert to fraction form
2,368,420,349.10/3,268,290,595.92 = 1,296,516,318.60/x - Step 3: Cross multiply
2,368,420,349.10x = 3,268,290,595.92 × 1,296,516,318.60 - Step 4: Simplify right side
2,368,420,349.10x = 4,237,392,091,544,234,496 - Step 5: Solve for x
x = 4,237,392,091,544,234,496/2,368,420,349.10 - Step 6: Final answer
x = 1,789,121,636.77
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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.