Finding the Fourth Proportional to 7,903,038,737.16, 11,854,622,753.46 and 2,591,073,365.76
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Solution
The fourth proportional to 7,903,038,737.16, 11,854,622,753.46 and 2,591,073,365.76 is: 3,886,631,243.90
Step by Step Solution
- Step 1: Write the proportion equation
7,903,038,737.16 : 11,854,622,753.46 = 2,591,073,365.76 : x - Step 2: Convert to fraction form
7,903,038,737.16/11,854,622,753.46 = 2,591,073,365.76/x - Step 3: Cross multiply
7,903,038,737.16x = 11,854,622,753.46 × 2,591,073,365.76 - Step 4: Simplify right side
7,903,038,737.16x = 30,716,197,277,622,681,600 - Step 5: Solve for x
x = 30,716,197,277,622,681,600/7,903,038,737.16 - Step 6: Final answer
x = 3,886,631,243.90
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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.