Finding the Fourth Proportional to 744,893,756.70, 1,117,340,635.05 and 744,893,756.70
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Solution
The fourth proportional to 744,893,756.70, 1,117,340,635.05 and 744,893,756.70 is: 1,117,340,635.05
Step by Step Solution
- Step 1: Write the proportion equation
744,893,756.70 : 1,117,340,635.05 = 744,893,756.70 : x - Step 2: Convert to fraction form
744,893,756.70/1,117,340,635.05 = 744,893,756.70/x - Step 3: Cross multiply
744,893,756.70x = 1,117,340,635.05 × 744,893,756.70 - Step 4: Simplify right side
744,893,756.70x = 832,300,063,155,958,272 - Step 5: Solve for x
x = 832,300,063,155,958,272/744,893,756.70 - Step 6: Final answer
x = 1,117,340,635.05
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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.