Finding the Fourth Proportional to 615,010,863.36, 848,715,048.96 and 336,552,372.48
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Solution
The fourth proportional to 615,010,863.36, 848,715,048.96 and 336,552,372.48 is: 464,442,305.50
Step by Step Solution
- Step 1: Write the proportion equation
615,010,863.36 : 848,715,048.96 = 336,552,372.48 : x - Step 2: Convert to fraction form
615,010,863.36/848,715,048.96 = 336,552,372.48/x - Step 3: Cross multiply
615,010,863.36x = 848,715,048.96 × 336,552,372.48 - Step 4: Simplify right side
615,010,863.36x = 285,637,063,286,967,392 - Step 5: Solve for x
x = 285,637,063,286,967,392/615,010,863.36 - Step 6: Final answer
x = 464,442,305.50
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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.