Finding the Fourth Proportional to 3,472,181,531.20, 5,208,272,296.84 and 1,290,696,270.40
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Solution
The fourth proportional to 3,472,181,531.20, 5,208,272,296.84 and 1,290,696,270.40 is: 1,936,044,405.61
Step by Step Solution
- Step 1: Write the proportion equation
3,472,181,531.20 : 5,208,272,296.84 = 1,290,696,270.40 : x - Step 2: Convert to fraction form
3,472,181,531.20/5,208,272,296.84 = 1,290,696,270.40/x - Step 3: Cross multiply
3,472,181,531.20x = 5,208,272,296.84 × 1,290,696,270.40 - Step 4: Simplify right side
3,472,181,531.20x = 6,722,297,628,759,030,784 - Step 5: Solve for x
x = 6,722,297,628,759,030,784/3,472,181,531.20 - Step 6: Final answer
x = 1,936,044,405.61
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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.