Finding the Fourth Proportional to 945,431,248.87, 1,418,338,201.79 and 332,063,304.31
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Solution
The fourth proportional to 945,431,248.87, 1,418,338,201.79 and 332,063,304.31 is: 498,162,156.66
Step by Step Solution
- Step 1: Write the proportion equation
945,431,248.87 : 1,418,338,201.79 = 332,063,304.31 : x - Step 2: Convert to fraction form
945,431,248.87/1,418,338,201.79 = 332,063,304.31/x - Step 3: Cross multiply
945,431,248.87x = 1,418,338,201.79 × 332,063,304.31 - Step 4: Simplify right side
945,431,248.87x = 470,978,069,915,490,944 - Step 5: Solve for x
x = 470,978,069,915,490,944/945,431,248.87 - Step 6: Final answer
x = 498,162,156.66
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1.5x scale
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.