Finding the Fourth Proportional to 4,720,294,170.40, 6,513,972,817.64 and 2,576,900,830.21
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Solution
The fourth proportional to 4,720,294,170.40, 6,513,972,817.64 and 2,576,900,830.21 is: 3,556,105,055.27
Step by Step Solution
- Step 1: Write the proportion equation
4,720,294,170.40 : 6,513,972,817.64 = 2,576,900,830.21 : x - Step 2: Convert to fraction form
4,720,294,170.40/6,513,972,817.64 = 2,576,900,830.21/x - Step 3: Cross multiply
4,720,294,170.40x = 6,513,972,817.64 × 2,576,900,830.21 - Step 4: Simplify right side
4,720,294,170.40x = 16,785,861,961,741,889,536 - Step 5: Solve for x
x = 16,785,861,961,741,889,536/4,720,294,170.40 - Step 6: Final answer
x = 3,556,105,055.27
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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.