Finding the Fourth Proportional to 2,155,167,010.10, 3,232,750,515.15 and 2,134,759,675.70
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Solution
The fourth proportional to 2,155,167,010.10, 3,232,750,515.15 and 2,134,759,675.70 is: 3,202,139,513.55
Step by Step Solution
- Step 1: Write the proportion equation
2,155,167,010.10 : 3,232,750,515.15 = 2,134,759,675.70 : x - Step 2: Convert to fraction form
2,155,167,010.10/3,232,750,515.15 = 2,134,759,675.70/x - Step 3: Cross multiply
2,155,167,010.10x = 3,232,750,515.15 × 2,134,759,675.70 - Step 4: Simplify right side
2,155,167,010.10x = 6,901,145,441,340,621,824 - Step 5: Solve for x
x = 6,901,145,441,340,621,824/2,155,167,010.10 - Step 6: Final answer
x = 3,202,139,513.55
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Double scale
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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.