Finding the Fourth Proportional to 28,334,598,876.24, 39,101,761,293.06 and 15,474,414,891.12
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Solution
The fourth proportional to 28,334,598,876.24, 39,101,761,293.06 and 15,474,414,891.12 is: 21,354,700,656.44
Step by Step Solution
- Step 1: Write the proportion equation
28,334,598,876.24 : 39,101,761,293.06 = 15,474,414,891.12 : x - Step 2: Convert to fraction form
28,334,598,876.24/39,101,761,293.06 = 15,474,414,891.12/x - Step 3: Cross multiply
28,334,598,876.24x = 39,101,761,293.06 × 15,474,414,891.12 - Step 4: Simplify right side
28,334,598,876.24x = 605,076,877,222,347,276,288 - Step 5: Solve for x
x = 605,076,877,222,347,276,288/28,334,598,876.24 - Step 6: Final answer
x = 21,354,700,656.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.