Finding the Fourth Proportional to 291,310,241.70, 436,965,362.55 and 277,873,313.70
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Solution
The fourth proportional to 291,310,241.70, 436,965,362.55 and 277,873,313.70 is: 416,809,970.55
Step by Step Solution
- Step 1: Write the proportion equation
291,310,241.70 : 436,965,362.55 = 277,873,313.70 : x - Step 2: Convert to fraction form
291,310,241.70/436,965,362.55 = 277,873,313.70/x - Step 3: Cross multiply
291,310,241.70x = 436,965,362.55 × 277,873,313.70 - Step 4: Simplify right side
291,310,241.70x = 121,421,013,263,890,384 - Step 5: Solve for x
x = 121,421,013,263,890,384/291,310,241.70 - Step 6: Final answer
x = 416,809,970.55
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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.