Finding the Fourth Proportional to 324,618,154.62, 485,777,811.69 and 201,854,282.46
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Solution
The fourth proportional to 324,618,154.62, 485,777,811.69 and 201,854,282.46 is: 302,066,690.41
Step by Step Solution
- Step 1: Write the proportion equation
324,618,154.62 : 485,777,811.69 = 201,854,282.46 : x - Step 2: Convert to fraction form
324,618,154.62/485,777,811.69 = 201,854,282.46/x - Step 3: Cross multiply
324,618,154.62x = 485,777,811.69 × 201,854,282.46 - Step 4: Simplify right side
324,618,154.62x = 98,056,331,613,673,952 - Step 5: Solve for x
x = 98,056,331,613,673,952/324,618,154.62 - Step 6: Final answer
x = 302,066,690.41
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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.