Finding the Fourth Proportional to 402,516,000.20, 603,774,000.30 and 356,599,497.80
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Solution
The fourth proportional to 402,516,000.20, 603,774,000.30 and 356,599,497.80 is: 534,899,246.70
Step by Step Solution
- Step 1: Write the proportion equation
402,516,000.20 : 603,774,000.30 = 356,599,497.80 : x - Step 2: Convert to fraction form
402,516,000.20/603,774,000.30 = 356,599,497.80/x - Step 3: Cross multiply
402,516,000.20x = 603,774,000.30 × 356,599,497.80 - Step 4: Simplify right side
402,516,000.20x = 215,305,505,291,677,024 - Step 5: Solve for x
x = 215,305,505,291,677,024/402,516,000.20 - Step 6: Final answer
x = 534,899,246.70
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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.