Finding the Fourth Proportional to 3,860,323,122.47, 5,787,841,187.34 and 1,965,852,150.75
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Solution
The fourth proportional to 3,860,323,122.47, 5,787,841,187.34 and 1,965,852,150.75 is: 2,947,432,037.52
Step by Step Solution
- Step 1: Write the proportion equation
3,860,323,122.47 : 5,787,841,187.34 = 1,965,852,150.75 : x - Step 2: Convert to fraction form
3,860,323,122.47/5,787,841,187.34 = 1,965,852,150.75/x - Step 3: Cross multiply
3,860,323,122.47x = 5,787,841,187.34 × 1,965,852,150.75 - Step 4: Simplify right side
3,860,323,122.47x = 11,378,040,046,331,772,928 - Step 5: Solve for x
x = 11,378,040,046,331,772,928/3,860,323,122.47 - Step 6: Final answer
x = 2,947,432,037.52
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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.