Finding the Fourth Proportional to 756,659,667, 1,135,317,167.07 and 406,497,177.90
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Solution
The fourth proportional to 756,659,667, 1,135,317,167.07 and 406,497,177.90 is: 609,921,797.82
Step by Step Solution
- Step 1: Write the proportion equation
756,659,667 : 1,135,317,167.07 = 406,497,177.90 : x - Step 2: Convert to fraction form
756,659,667/1,135,317,167.07 = 406,497,177.90/x - Step 3: Cross multiply
756,659,667x = 1,135,317,167.07 × 406,497,177.90 - Step 4: Simplify right side
756,659,667x = 461,503,224,435,377,728 - Step 5: Solve for x
x = 461,503,224,435,377,728/756,659,667 - Step 6: Final answer
x = 609,921,797.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.