Finding the Fourth Proportional to 505,593,887.98, 757,724,951.67 and 214,100,325.58
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Solution
The fourth proportional to 505,593,887.98, 757,724,951.67 and 214,100,325.58 is: 320,868,512.67
Step by Step Solution
- Step 1: Write the proportion equation
505,593,887.98 : 757,724,951.67 = 214,100,325.58 : x - Step 2: Convert to fraction form
505,593,887.98/757,724,951.67 = 214,100,325.58/x - Step 3: Cross multiply
505,593,887.98x = 757,724,951.67 × 214,100,325.58 - Step 4: Simplify right side
505,593,887.98x = 162,229,158,852,636,768 - Step 5: Solve for x
x = 162,229,158,852,636,768/505,593,887.98 - Step 6: Final answer
x = 320,868,512.67
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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.