Finding the Fourth Proportional to 9,072,430,430.40, 13,608,645,645.60 and 7,235,770,334.40
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Solution
The fourth proportional to 9,072,430,430.40, 13,608,645,645.60 and 7,235,770,334.40 is: 10,853,655,501.60
Step by Step Solution
- Step 1: Write the proportion equation
9,072,430,430.40 : 13,608,645,645.60 = 7,235,770,334.40 : x - Step 2: Convert to fraction form
9,072,430,430.40/13,608,645,645.60 = 7,235,770,334.40/x - Step 3: Cross multiply
9,072,430,430.40x = 13,608,645,645.60 × 7,235,770,334.40 - Step 4: Simplify right side
9,072,430,430.40x = 98,469,034,453,794,209,792 - Step 5: Solve for x
x = 98,469,034,453,794,209,792/9,072,430,430.40 - Step 6: Final answer
x = 10,853,655,501.60
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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.