Finding the Fourth Proportional to 317,252,412.64, 437,824,264.80 and 198,246,895.12
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Solution
The fourth proportional to 317,252,412.64, 437,824,264.80 and 198,246,895.12 is: 273,590,673.06
Step by Step Solution
- Step 1: Write the proportion equation
317,252,412.64 : 437,824,264.80 = 198,246,895.12 : x - Step 2: Convert to fraction form
317,252,412.64/437,824,264.80 = 198,246,895.12/x - Step 3: Cross multiply
317,252,412.64x = 437,824,264.80 × 198,246,895.12 - Step 4: Simplify right side
317,252,412.64x = 86,797,301,104,796,720 - Step 5: Solve for x
x = 86,797,301,104,796,720/317,252,412.64 - Step 6: Final answer
x = 273,590,673.06
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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.