Finding the Fourth Proportional to 442,927,921.70, 664,192,816.95 and 170,208,049.70
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Solution
The fourth proportional to 442,927,921.70, 664,192,816.95 and 170,208,049.70 is: 255,235,577.75
Step by Step Solution
- Step 1: Write the proportion equation
442,927,921.70 : 664,192,816.95 = 170,208,049.70 : x - Step 2: Convert to fraction form
442,927,921.70/664,192,816.95 = 170,208,049.70/x - Step 3: Cross multiply
442,927,921.70x = 664,192,816.95 × 170,208,049.70 - Step 4: Simplify right side
442,927,921.70x = 113,050,963,997,808,608 - Step 5: Solve for x
x = 113,050,963,997,808,608/442,927,921.70 - Step 6: Final answer
x = 255,235,577.75
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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.