Finding the Fourth Proportional to 2,917,147,900.84, 4,024,157,655.36 and 1,977,029,034.28
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Solution
The fourth proportional to 2,917,147,900.84, 4,024,157,655.36 and 1,977,029,034.28 is: 2,727,279,107.40
Step by Step Solution
- Step 1: Write the proportion equation
2,917,147,900.84 : 4,024,157,655.36 = 1,977,029,034.28 : x - Step 2: Convert to fraction form
2,917,147,900.84/4,024,157,655.36 = 1,977,029,034.28/x - Step 3: Cross multiply
2,917,147,900.84x = 4,024,157,655.36 × 1,977,029,034.28 - Step 4: Simplify right side
2,917,147,900.84x = 7,955,876,523,166,850,048 - Step 5: Solve for x
x = 7,955,876,523,166,850,048/2,917,147,900.84 - Step 6: Final answer
x = 2,727,279,107.40
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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.