Finding the Fourth Proportional to 989,066,924.24, 1,364,915,041.20 and 543,059,175.94
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Solution
The fourth proportional to 989,066,924.24, 1,364,915,041.20 and 543,059,175.94 is: 749,423,137.44
Step by Step Solution
- Step 1: Write the proportion equation
989,066,924.24 : 1,364,915,041.20 = 543,059,175.94 : x - Step 2: Convert to fraction form
989,066,924.24/1,364,915,041.20 = 543,059,175.94/x - Step 3: Cross multiply
989,066,924.24x = 1,364,915,041.20 × 543,059,175.94 - Step 4: Simplify right side
989,066,924.24x = 741,229,637,498,770,944 - Step 5: Solve for x
x = 741,229,637,498,770,944/989,066,924.24 - Step 6: Final answer
x = 749,423,137.44
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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.