Finding the Fourth Proportional to 4,260,622,286.40, 6,386,902,351.20 and 2,515,165,339.20
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Solution
The fourth proportional to 4,260,622,286.40, 6,386,902,351.20 and 2,515,165,339.20 is: 3,770,368,349.68
Step by Step Solution
- Step 1: Write the proportion equation
4,260,622,286.40 : 6,386,902,351.20 = 2,515,165,339.20 : x - Step 2: Convert to fraction form
4,260,622,286.40/6,386,902,351.20 = 2,515,165,339.20/x - Step 3: Cross multiply
4,260,622,286.40x = 6,386,902,351.20 × 2,515,165,339.20 - Step 4: Simplify right side
4,260,622,286.40x = 16,064,115,418,593,224,704 - Step 5: Solve for x
x = 16,064,115,418,593,224,704/4,260,622,286.40 - Step 6: Final answer
x = 3,770,368,349.68
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1.5x scale
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.