Finding the Fourth Proportional to 402,529,444.80, 603,475,302.60 and 220,776,622.80
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Solution
The fourth proportional to 402,529,444.80, 603,475,302.60 and 220,776,622.80 is: 330,990,045.50
Step by Step Solution
- Step 1: Write the proportion equation
402,529,444.80 : 603,475,302.60 = 220,776,622.80 : x - Step 2: Convert to fraction form
402,529,444.80/603,475,302.60 = 220,776,622.80/x - Step 3: Cross multiply
402,529,444.80x = 603,475,302.60 × 220,776,622.80 - Step 4: Simplify right side
402,529,444.80x = 133,233,239,251,236,064 - Step 5: Solve for x
x = 133,233,239,251,236,064/402,529,444.80 - Step 6: Final answer
x = 330,990,045.50
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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.