Finding the Fourth Proportional to 2,940,958,879.70, 4,411,438,319.55 and 2,619,543,362.90
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Solution
The fourth proportional to 2,940,958,879.70, 4,411,438,319.55 and 2,619,543,362.90 is: 3,929,315,044.35
Step by Step Solution
- Step 1: Write the proportion equation
2,940,958,879.70 : 4,411,438,319.55 = 2,619,543,362.90 : x - Step 2: Convert to fraction form
2,940,958,879.70/4,411,438,319.55 = 2,619,543,362.90/x - Step 3: Cross multiply
2,940,958,879.70x = 4,411,438,319.55 × 2,619,543,362.90 - Step 4: Simplify right side
2,940,958,879.70x = 11,555,953,970,819,932,160 - Step 5: Solve for x
x = 11,555,953,970,819,932,160/2,940,958,879.70 - Step 6: Final answer
x = 3,929,315,044.35
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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.