Finding the Fourth Proportional to 5,260,197,197.00, 7,259,069,838.15 and 2,848,879,800.02
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Solution
The fourth proportional to 5,260,197,197.00, 7,259,069,838.15 and 2,848,879,800.02 is: 3,931,452,881.77
Step by Step Solution
- Step 1: Write the proportion equation
5,260,197,197.00 : 7,259,069,838.15 = 2,848,879,800.02 : x - Step 2: Convert to fraction form
5,260,197,197.00/7,259,069,838.15 = 2,848,879,800.02/x - Step 3: Cross multiply
5,260,197,197.00x = 7,259,069,838.15 × 2,848,879,800.02 - Step 4: Simplify right side
5,260,197,197.00x = 20,680,217,428,858,859,520 - Step 5: Solve for x
x = 20,680,217,428,858,859,520/5,260,197,197.00 - Step 6: Final answer
x = 3,931,452,881.77
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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.