Finding the Fourth Proportional to 504,478,206.92, 696,179,617.62 and 272,691,198.92
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Solution
The fourth proportional to 504,478,206.92, 696,179,617.62 and 272,691,198.92 is: 376,313,688.06
Step by Step Solution
- Step 1: Write the proportion equation
504,478,206.92 : 696,179,617.62 = 272,691,198.92 : x - Step 2: Convert to fraction form
504,478,206.92/696,179,617.62 = 272,691,198.92/x - Step 3: Cross multiply
504,478,206.92x = 696,179,617.62 × 272,691,198.92 - Step 4: Simplify right side
504,478,206.92x = 189,842,054,592,464,960 - Step 5: Solve for x
x = 189,842,054,592,464,960/504,478,206.92 - Step 6: Final answer
x = 376,313,688.06
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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.