Finding the Fourth Proportional to 3,472,181,491.20, 5,208,272,236.80 and 1,290,696,230.40
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Solution
The fourth proportional to 3,472,181,491.20, 5,208,272,236.80 and 1,290,696,230.40 is: 1,936,044,345.60
Step by Step Solution
- Step 1: Write the proportion equation
3,472,181,491.20 : 5,208,272,236.80 = 1,290,696,230.40 : x - Step 2: Convert to fraction form
3,472,181,491.20/5,208,272,236.80 = 1,290,696,230.40/x - Step 3: Cross multiply
3,472,181,491.20x = 5,208,272,236.80 × 1,290,696,230.40 - Step 4: Simplify right side
3,472,181,491.20x = 6,722,297,342,934,736,896 - Step 5: Solve for x
x = 6,722,297,342,934,736,896/3,472,181,491.20 - Step 6: Final answer
x = 1,936,044,345.60
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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.