Finding the Fourth Proportional to 649,413,764.44, 974,283,067.89 and 189,351,933.75
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Solution
The fourth proportional to 649,413,764.44, 974,283,067.89 and 189,351,933.75 is: 284,075,258.37
Step by Step Solution
- Step 1: Write the proportion equation
649,413,764.44 : 974,283,067.89 = 189,351,933.75 : x - Step 2: Convert to fraction form
649,413,764.44/974,283,067.89 = 189,351,933.75/x - Step 3: Cross multiply
649,413,764.44x = 974,283,067.89 × 189,351,933.75 - Step 4: Simplify right side
649,413,764.44x = 184,482,382,924,854,016 - Step 5: Solve for x
x = 184,482,382,924,854,016/649,413,764.44 - Step 6: Final answer
x = 284,075,258.37
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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.