Finding the Fourth Proportional to 1,282,868,230.24, 1,770,358,161.36 and 696,157,366.24
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Solution
The fourth proportional to 1,282,868,230.24, 1,770,358,161.36 and 696,157,366.24 is: 960,697,167.38
Step by Step Solution
- Step 1: Write the proportion equation
1,282,868,230.24 : 1,770,358,161.36 = 696,157,366.24 : x - Step 2: Convert to fraction form
1,282,868,230.24/1,770,358,161.36 = 696,157,366.24/x - Step 3: Cross multiply
1,282,868,230.24x = 1,770,358,161.36 × 696,157,366.24 - Step 4: Simplify right side
1,282,868,230.24x = 1,232,447,874,913,866,496 - Step 5: Solve for x
x = 1,232,447,874,913,866,496/1,282,868,230.24 - Step 6: Final answer
x = 960,697,167.38
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.