Finding the Fourth Proportional to 898,344,107.70, 1,347,516,161.55 and 898,344,107.70
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Solution
The fourth proportional to 898,344,107.70, 1,347,516,161.55 and 898,344,107.70 is: 1,347,516,161.55
Step by Step Solution
- Step 1: Write the proportion equation
898,344,107.70 : 1,347,516,161.55 = 898,344,107.70 : x - Step 2: Convert to fraction form
898,344,107.70/1,347,516,161.55 = 898,344,107.70/x - Step 3: Cross multiply
898,344,107.70x = 1,347,516,161.55 × 898,344,107.70 - Step 4: Simplify right side
898,344,107.70x = 1,210,533,203,758,963,712 - Step 5: Solve for x
x = 1,210,533,203,758,963,712/898,344,107.70 - Step 6: Final answer
x = 1,347,516,161.55
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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.