Finding the Fourth Proportional to 4,960,115,999.20, 7,440,173,998.80 and 1,854,295,079.05
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Solution
The fourth proportional to 4,960,115,999.20, 7,440,173,998.80 and 1,854,295,079.05 is: 2,781,442,618.58
Step by Step Solution
- Step 1: Write the proportion equation
4,960,115,999.20 : 7,440,173,998.80 = 1,854,295,079.05 : x - Step 2: Convert to fraction form
4,960,115,999.20/7,440,173,998.80 = 1,854,295,079.05/x - Step 3: Cross multiply
4,960,115,999.20x = 7,440,173,998.80 × 1,854,295,079.05 - Step 4: Simplify right side
4,960,115,999.20x = 13,796,278,033,250,600,960 - Step 5: Solve for x
x = 13,796,278,033,250,600,960/4,960,115,999.20 - Step 6: Final answer
x = 2,781,442,618.58
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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.