Finding the Fourth Proportional to 589,691,119.30, 813,790,777.57 and 325,390,132.65
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Solution
The fourth proportional to 589,691,119.30, 813,790,777.57 and 325,390,132.65 is: 449,047,781.80
Step by Step Solution
- Step 1: Write the proportion equation
589,691,119.30 : 813,790,777.57 = 325,390,132.65 : x - Step 2: Convert to fraction form
589,691,119.30/813,790,777.57 = 325,390,132.65/x - Step 3: Cross multiply
589,691,119.30x = 813,790,777.57 × 325,390,132.65 - Step 4: Simplify right side
589,691,119.30x = 264,799,489,065,087,200 - Step 5: Solve for x
x = 264,799,489,065,087,200/589,691,119.30 - Step 6: Final answer
x = 449,047,781.80
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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.