Finding the Fourth Proportional to 466,578,046.20, 699,867,069.30 and 159,768,190.20
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Solution
The fourth proportional to 466,578,046.20, 699,867,069.30 and 159,768,190.20 is: 239,652,285.30
Step by Step Solution
- Step 1: Write the proportion equation
466,578,046.20 : 699,867,069.30 = 159,768,190.20 : x - Step 2: Convert to fraction form
466,578,046.20/699,867,069.30 = 159,768,190.20/x - Step 3: Cross multiply
466,578,046.20x = 699,867,069.30 × 159,768,190.20 - Step 4: Simplify right side
466,578,046.20x = 111,816,495,042,638,960 - Step 5: Solve for x
x = 111,816,495,042,638,960/466,578,046.20 - Step 6: Final answer
x = 239,652,285.30
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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.