Finding the Fourth Proportional to 332,146,276.80, 498,219,415.20 and 159,581,479.20
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Solution
The fourth proportional to 332,146,276.80, 498,219,415.20 and 159,581,479.20 is: 239,372,218.80
Step by Step Solution
- Step 1: Write the proportion equation
332,146,276.80 : 498,219,415.20 = 159,581,479.20 : x - Step 2: Convert to fraction form
332,146,276.80/498,219,415.20 = 159,581,479.20/x - Step 3: Cross multiply
332,146,276.80x = 498,219,415.20 × 159,581,479.20 - Step 4: Simplify right side
332,146,276.80x = 79,506,591,243,774,960 - Step 5: Solve for x
x = 79,506,591,243,774,960/332,146,276.80 - Step 6: Final answer
x = 239,372,218.80
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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.