Finding the Fourth Proportional to 559,970,840.70, 782,145,191.70 and 559,970,840.70
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Solution
The fourth proportional to 559,970,840.70, 782,145,191.70 and 559,970,840.70 is: 782,145,191.70
Step by Step Solution
- Step 1: Write the proportion equation
559,970,840.70 : 782,145,191.70 = 559,970,840.70 : x - Step 2: Convert to fraction form
559,970,840.70/782,145,191.70 = 559,970,840.70/x - Step 3: Cross multiply
559,970,840.70x = 782,145,191.70 × 559,970,840.70 - Step 4: Simplify right side
559,970,840.70x = 437,978,500,545,711,744 - Step 5: Solve for x
x = 437,978,500,545,711,744/559,970,840.70 - Step 6: Final answer
x = 782,145,191.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.