Finding the Fourth Proportional to 746,496,452.70, 1,119,744,679.05 and 716,263,364.70
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Solution
The fourth proportional to 746,496,452.70, 1,119,744,679.05 and 716,263,364.70 is: 1,074,395,047.05
Step by Step Solution
- Step 1: Write the proportion equation
746,496,452.70 : 1,119,744,679.05 = 716,263,364.70 : x - Step 2: Convert to fraction form
746,496,452.70/1,119,744,679.05 = 716,263,364.70/x - Step 3: Cross multiply
746,496,452.70x = 1,119,744,679.05 × 716,263,364.70 - Step 4: Simplify right side
746,496,452.70x = 802,032,091,421,274,624 - Step 5: Solve for x
x = 802,032,091,421,274,624/746,496,452.70 - Step 6: Final answer
x = 1,074,395,047.05
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Double scale
Find fourth proportional to 746,496,453.70, 1,119,744,680.55 and 716,263,365.70
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.