Finding the Fourth Proportional to 3,641,439,542.08, 5,025,186,507.18 and 1,970,688,683.38
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Solution
The fourth proportional to 3,641,439,542.08, 5,025,186,507.18 and 1,970,688,683.38 is: 2,719,550,350.11
Step by Step Solution
- Step 1: Write the proportion equation
3,641,439,542.08 : 5,025,186,507.18 = 1,970,688,683.38 : x - Step 2: Convert to fraction form
3,641,439,542.08/5,025,186,507.18 = 1,970,688,683.38/x - Step 3: Cross multiply
3,641,439,542.08x = 5,025,186,507.18 × 1,970,688,683.38 - Step 4: Simplify right side
3,641,439,542.08x = 9,903,078,181,573,496,832 - Step 5: Solve for x
x = 9,903,078,181,573,496,832/3,641,439,542.08 - Step 6: Final answer
x = 2,719,550,350.11
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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.