Finding the Fourth Proportional to 354,294,896.85, 531,442,345.28 and 224,198,140.05
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Solution
The fourth proportional to 354,294,896.85, 531,442,345.28 and 224,198,140.05 is: 336,297,210.08
Step by Step Solution
- Step 1: Write the proportion equation
354,294,896.85 : 531,442,345.28 = 224,198,140.05 : x - Step 2: Convert to fraction form
354,294,896.85/531,442,345.28 = 224,198,140.05/x - Step 3: Cross multiply
354,294,896.85x = 531,442,345.28 × 224,198,140.05 - Step 4: Simplify right side
354,294,896.85x = 119,148,385,354,464,912 - Step 5: Solve for x
x = 119,148,385,354,464,912/354,294,896.85 - Step 6: Final answer
x = 336,297,210.08
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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.