Finding the Fourth Proportional to 906,408,823.60, 1,359,613,235.40 and 293,432,964.40
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Solution
The fourth proportional to 906,408,823.60, 1,359,613,235.40 and 293,432,964.40 is: 440,149,446.60
Step by Step Solution
- Step 1: Write the proportion equation
906,408,823.60 : 1,359,613,235.40 = 293,432,964.40 : x - Step 2: Convert to fraction form
906,408,823.60/1,359,613,235.40 = 293,432,964.40/x - Step 3: Cross multiply
906,408,823.60x = 1,359,613,235.40 × 293,432,964.40 - Step 4: Simplify right side
906,408,823.60x = 398,955,342,100,897,024 - Step 5: Solve for x
x = 398,955,342,100,897,024/906,408,823.60 - Step 6: Final answer
x = 440,149,446.60
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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.