Finding the Fourth Proportional to 756,659,643.01, 1,135,317,131.10 and 406,497,153.92
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Solution
The fourth proportional to 756,659,643.01, 1,135,317,131.10 and 406,497,153.92 is: 609,921,761.85
Step by Step Solution
- Step 1: Write the proportion equation
756,659,643.01 : 1,135,317,131.10 = 406,497,153.92 : x - Step 2: Convert to fraction form
756,659,643.01/1,135,317,131.10 = 406,497,153.92/x - Step 3: Cross multiply
756,659,643.01x = 1,135,317,131.10 × 406,497,153.92 - Step 4: Simplify right side
756,659,643.01x = 461,503,182,584,231,104 - Step 5: Solve for x
x = 461,503,182,584,231,104/756,659,643.01 - Step 6: Final answer
x = 609,921,761.85
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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.