Finding the Fourth Proportional to 432,449,690.13, 596,780,383.86 and 234,211,194.09
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Solution
The fourth proportional to 432,449,690.13, 596,780,383.86 and 234,211,194.09 is: 323,211,345.74
Step by Step Solution
- Step 1: Write the proportion equation
432,449,690.13 : 596,780,383.86 = 234,211,194.09 : x - Step 2: Convert to fraction form
432,449,690.13/596,780,383.86 = 234,211,194.09/x - Step 3: Cross multiply
432,449,690.13x = 596,780,383.86 × 234,211,194.09 - Step 4: Simplify right side
432,449,690.13x = 139,772,646,313,339,168 - Step 5: Solve for x
x = 139,772,646,313,339,168/432,449,690.13 - Step 6: Final answer
x = 323,211,345.74
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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.