Finding the Fourth Proportional to 932,258,434.90, 1,398,387,652.35 and 587,601,231.70
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Solution
The fourth proportional to 932,258,434.90, 1,398,387,652.35 and 587,601,231.70 is: 881,401,847.55
Step by Step Solution
- Step 1: Write the proportion equation
932,258,434.90 : 1,398,387,652.35 = 587,601,231.70 : x - Step 2: Convert to fraction form
932,258,434.90/1,398,387,652.35 = 587,601,231.70/x - Step 3: Cross multiply
932,258,434.90x = 1,398,387,652.35 × 587,601,231.70 - Step 4: Simplify right side
932,258,434.90x = 821,694,306,914,931,456 - Step 5: Solve for x
x = 821,694,306,914,931,456/932,258,434.90 - Step 6: Final answer
x = 881,401,847.55
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Double scale
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Similar ratio
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1.5x scale
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.