Finding the Fourth Proportional to 800,507,160.75, 1,104,711,163.88 and 461,228,126.65
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Solution
The fourth proportional to 800,507,160.75, 1,104,711,163.88 and 461,228,126.65 is: 636,501,315.15
Step by Step Solution
- Step 1: Write the proportion equation
800,507,160.75 : 1,104,711,163.88 = 461,228,126.65 : x - Step 2: Convert to fraction form
800,507,160.75/1,104,711,163.88 = 461,228,126.65/x - Step 3: Cross multiply
800,507,160.75x = 1,104,711,163.88 × 461,228,126.65 - Step 4: Simplify right side
800,507,160.75x = 509,523,860,609,481,152 - Step 5: Solve for x
x = 509,523,860,609,481,152/800,507,160.75 - Step 6: Final answer
x = 636,501,315.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.