Finding the Fourth Proportional to 443,232,017.70, 664,848,026.55 and 201,367,313.70
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Solution
The fourth proportional to 443,232,017.70, 664,848,026.55 and 201,367,313.70 is: 302,050,970.55
Step by Step Solution
- Step 1: Write the proportion equation
443,232,017.70 : 664,848,026.55 = 201,367,313.70 : x - Step 2: Convert to fraction form
443,232,017.70/664,848,026.55 = 201,367,313.70/x - Step 3: Cross multiply
443,232,017.70x = 664,848,026.55 × 201,367,313.70 - Step 4: Simplify right side
443,232,017.70x = 133,878,661,125,119,760 - Step 5: Solve for x
x = 133,878,661,125,119,760/443,232,017.70 - Step 6: Final answer
x = 302,050,970.55
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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.