Finding the Fourth Proportional to 603,757,856.70, 905,158,488.15 and 331,128,623.70
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Solution
The fourth proportional to 603,757,856.70, 905,158,488.15 and 331,128,623.70 is: 496,430,615.49
Step by Step Solution
- Step 1: Write the proportion equation
603,757,856.70 : 905,158,488.15 = 331,128,623.70 : x - Step 2: Convert to fraction form
603,757,856.70/905,158,488.15 = 331,128,623.70/x - Step 3: Cross multiply
603,757,856.70x = 905,158,488.15 × 331,128,623.70 - Step 4: Simplify right side
603,757,856.70x = 299,723,884,411,482,240 - Step 5: Solve for x
x = 299,723,884,411,482,240/603,757,856.70 - Step 6: Final answer
x = 496,430,615.49
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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.