Finding the Fourth Proportional to 539,850,558.68, 744,993,589.42 and 292,331,912.92
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Solution
The fourth proportional to 539,850,558.68, 744,993,589.42 and 292,331,912.92 is: 403,417,941.51
Step by Step Solution
- Step 1: Write the proportion equation
539,850,558.68 : 744,993,589.42 = 292,331,912.92 : x - Step 2: Convert to fraction form
539,850,558.68/744,993,589.42 = 292,331,912.92/x - Step 3: Cross multiply
539,850,558.68x = 744,993,589.42 × 292,331,912.92 - Step 4: Simplify right side
539,850,558.68x = 217,785,401,108,285,664 - Step 5: Solve for x
x = 217,785,401,108,285,664/539,850,558.68 - Step 6: Final answer
x = 403,417,941.51
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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.