Finding the Fourth Proportional to 552,310,236.32, 762,204,285.12 and 301,430,719.36
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Solution
The fourth proportional to 552,310,236.32, 762,204,285.12 and 301,430,719.36 is: 415,983,211.71
Step by Step Solution
- Step 1: Write the proportion equation
552,310,236.32 : 762,204,285.12 = 301,430,719.36 : x - Step 2: Convert to fraction form
552,310,236.32/762,204,285.12 = 301,430,719.36/x - Step 3: Cross multiply
552,310,236.32x = 762,204,285.12 × 301,430,719.36 - Step 4: Simplify right side
552,310,236.32x = 229,751,785,962,996,160 - Step 5: Solve for x
x = 229,751,785,962,996,160/552,310,236.32 - Step 6: Final answer
x = 415,983,211.71
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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.