Finding the Fourth Proportional to 734,854,416.60, 1,102,281,624.90 and 326,707,728.60
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Solution
The fourth proportional to 734,854,416.60, 1,102,281,624.90 and 326,707,728.60 is: 490,061,592.90
Step by Step Solution
- Step 1: Write the proportion equation
734,854,416.60 : 1,102,281,624.90 = 326,707,728.60 : x - Step 2: Convert to fraction form
734,854,416.60/1,102,281,624.90 = 326,707,728.60/x - Step 3: Cross multiply
734,854,416.60x = 1,102,281,624.90 × 326,707,728.60 - Step 4: Simplify right side
734,854,416.60x = 360,123,925,948,596,288 - Step 5: Solve for x
x = 360,123,925,948,596,288/734,854,416.60 - Step 6: Final answer
x = 490,061,592.90
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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.