Finding the Fourth Proportional to 457,768,235.40, 686,652,353.10 and 264,276,472.20
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Solution
The fourth proportional to 457,768,235.40, 686,652,353.10 and 264,276,472.20 is: 396,414,708.30
Step by Step Solution
- Step 1: Write the proportion equation
457,768,235.40 : 686,652,353.10 = 264,276,472.20 : x - Step 2: Convert to fraction form
457,768,235.40/686,652,353.10 = 264,276,472.20/x - Step 3: Cross multiply
457,768,235.40x = 686,652,353.10 × 264,276,472.20 - Step 4: Simplify right side
457,768,235.40x = 181,466,061,505,096,736 - Step 5: Solve for x
x = 181,466,061,505,096,736/457,768,235.40 - Step 6: Final answer
x = 396,414,708.30
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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.