Finding the Fourth Proportional to 698,207,827.92, 963,482,403.96 and 384,924,918.48
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Solution
The fourth proportional to 698,207,827.92, 963,482,403.96 and 384,924,918.48 is: 531,171,910.38
Step by Step Solution
- Step 1: Write the proportion equation
698,207,827.92 : 963,482,403.96 = 384,924,918.48 : x - Step 2: Convert to fraction form
698,207,827.92/963,482,403.96 = 384,924,918.48/x - Step 3: Cross multiply
698,207,827.92x = 963,482,403.96 × 384,924,918.48 - Step 4: Simplify right side
698,207,827.92x = 370,868,385,801,217,472 - Step 5: Solve for x
x = 370,868,385,801,217,472/698,207,827.92 - Step 6: Final answer
x = 531,171,910.38
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1.5x scale
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.