Finding the Fourth Proportional to 609,016,311.12, 840,420,004.79 and 330,551,855.94
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Solution
The fourth proportional to 609,016,311.12, 840,420,004.79 and 330,551,855.94 is: 456,149,346.54
Step by Step Solution
- Step 1: Write the proportion equation
609,016,311.12 : 840,420,004.79 = 330,551,855.94 : x - Step 2: Convert to fraction form
609,016,311.12/840,420,004.79 = 330,551,855.94/x - Step 3: Cross multiply
609,016,311.12x = 840,420,004.79 × 330,551,855.94 - Step 4: Simplify right side
609,016,311.12x = 277,802,392,352,438,176 - Step 5: Solve for x
x = 277,802,392,352,438,176/609,016,311.12 - Step 6: Final answer
x = 456,149,346.54
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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.