Finding the Fourth Proportional to 1,322,379,004.18, 1,983,855,484.41 and 402,231,427.96
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Solution
The fourth proportional to 1,322,379,004.18, 1,983,855,484.41 and 402,231,427.96 is: 603,434,432.82
Step by Step Solution
- Step 1: Write the proportion equation
1,322,379,004.18 : 1,983,855,484.41 = 402,231,427.96 : x - Step 2: Convert to fraction form
1,322,379,004.18/1,983,855,484.41 = 402,231,427.96/x - Step 3: Cross multiply
1,322,379,004.18x = 1,983,855,484.41 × 402,231,427.96 - Step 4: Simplify right side
1,322,379,004.18x = 797,969,024,360,511,872 - Step 5: Solve for x
x = 797,969,024,360,511,872/1,322,379,004.18 - Step 6: Final answer
x = 603,434,432.82
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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.