Finding the Fourth Proportional to 396,165,346.20, 594,248,019.30 and 202,455,101.70
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Solution
The fourth proportional to 396,165,346.20, 594,248,019.30 and 202,455,101.70 is: 303,682,652.55
Step by Step Solution
- Step 1: Write the proportion equation
396,165,346.20 : 594,248,019.30 = 202,455,101.70 : x - Step 2: Convert to fraction form
396,165,346.20/594,248,019.30 = 202,455,101.70/x - Step 3: Cross multiply
396,165,346.20x = 594,248,019.30 × 202,455,101.70 - Step 4: Simplify right side
396,165,346.20x = 120,308,543,182,405,040 - Step 5: Solve for x
x = 120,308,543,182,405,040/396,165,346.20 - Step 6: Final answer
x = 303,682,652.55
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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.