Finding the Fourth Proportional to 455,546,115.40, 684,409,287.31 and 292,104,091.84
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Solution
The fourth proportional to 455,546,115.40, 684,409,287.31 and 292,104,091.84 is: 438,855,137.95
Step by Step Solution
- Step 1: Write the proportion equation
455,546,115.40 : 684,409,287.31 = 292,104,091.84 : x - Step 2: Convert to fraction form
455,546,115.40/684,409,287.31 = 292,104,091.84/x - Step 3: Cross multiply
455,546,115.40x = 684,409,287.31 × 292,104,091.84 - Step 4: Simplify right side
455,546,115.40x = 199,918,753,316,549,152 - Step 5: Solve for x
x = 199,918,753,316,549,152/455,546,115.40 - Step 6: Final answer
x = 438,855,137.95
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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.