Finding the Fourth Proportional to 323,414,276.80, 485,121,415.20 and 93,390,865.60
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Solution
The fourth proportional to 323,414,276.80, 485,121,415.20 and 93,390,865.60 is: 140,086,298.40
Step by Step Solution
- Step 1: Write the proportion equation
323,414,276.80 : 485,121,415.20 = 93,390,865.60 : x - Step 2: Convert to fraction form
323,414,276.80/485,121,415.20 = 93,390,865.60/x - Step 3: Cross multiply
323,414,276.80x = 485,121,415.20 × 93,390,865.60 - Step 4: Simplify right side
323,414,276.80x = 45,305,908,886,624,992 - Step 5: Solve for x
x = 45,305,908,886,624,992/323,414,276.80 - Step 6: Final answer
x = 140,086,298.40
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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.