Finding the Fourth Proportional to 615,446,909.70, 923,170,364.55 and 184,625,405.70
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Solution
The fourth proportional to 615,446,909.70, 923,170,364.55 and 184,625,405.70 is: 276,938,108.55
Step by Step Solution
- Step 1: Write the proportion equation
615,446,909.70 : 923,170,364.55 = 184,625,405.70 : x - Step 2: Convert to fraction form
615,446,909.70/923,170,364.55 = 184,625,405.70/x - Step 3: Cross multiply
615,446,909.70x = 923,170,364.55 × 184,625,405.70 - Step 4: Simplify right side
615,446,909.70x = 170,440,703,085,260,640 - Step 5: Solve for x
x = 170,440,703,085,260,640/615,446,909.70 - Step 6: Final answer
x = 276,938,108.55
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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.