Finding the Fourth Proportional to 966,167,999.20, 1,449,251,998.80 and 901,119,620.80
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Solution
The fourth proportional to 966,167,999.20, 1,449,251,998.80 and 901,119,620.80 is: 1,351,679,431.20
Step by Step Solution
- Step 1: Write the proportion equation
966,167,999.20 : 1,449,251,998.80 = 901,119,620.80 : x - Step 2: Convert to fraction form
966,167,999.20/1,449,251,998.80 = 901,119,620.80/x - Step 3: Cross multiply
966,167,999.20x = 1,449,251,998.80 × 901,119,620.80 - Step 4: Simplify right side
966,167,999.20x = 1,305,949,411,602,297,856 - Step 5: Solve for x
x = 1,305,949,411,602,297,856/966,167,999.20 - Step 6: Final answer
x = 1,351,679,431.20
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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.