Finding the Fourth Proportional to 921,545,631.34, 1,382,344,202.12 and 299,760,866.01
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Solution
The fourth proportional to 921,545,631.34, 1,382,344,202.12 and 299,760,866.01 is: 449,649,676.65
Step by Step Solution
- Step 1: Write the proportion equation
921,545,631.34 : 1,382,344,202.12 = 299,760,866.01 : x - Step 2: Convert to fraction form
921,545,631.34/1,382,344,202.12 = 299,760,866.01/x - Step 3: Cross multiply
921,545,631.34x = 1,382,344,202.12 × 299,760,866.01 - Step 4: Simplify right side
921,545,631.34x = 414,372,695,151,393,600 - Step 5: Solve for x
x = 414,372,695,151,393,600/921,545,631.34 - Step 6: Final answer
x = 449,649,676.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.