Finding the Fourth Proportional to 7,621,582,979.97, 11,431,106,447.04 and 2,308,431,913.02
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Solution
The fourth proportional to 7,621,582,979.97, 11,431,106,447.04 and 2,308,431,913.02 is: 3,462,263,809.61
Step by Step Solution
- Step 1: Write the proportion equation
7,621,582,979.97 : 11,431,106,447.04 = 2,308,431,913.02 : x - Step 2: Convert to fraction form
7,621,582,979.97/11,431,106,447.04 = 2,308,431,913.02/x - Step 3: Cross multiply
7,621,582,979.97x = 11,431,106,447.04 × 2,308,431,913.02 - Step 4: Simplify right side
7,621,582,979.97x = 26,387,930,923,475,804,160 - Step 5: Solve for x
x = 26,387,930,923,475,804,160/7,621,582,979.97 - Step 6: Final answer
x = 3,462,263,809.61
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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.