Finding the Fourth Proportional to 1,181,952,415.80, 1,772,928,623.70 and 1,147,940,191.80
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Solution
The fourth proportional to 1,181,952,415.80, 1,772,928,623.70 and 1,147,940,191.80 is: 1,721,910,287.70
Step by Step Solution
- Step 1: Write the proportion equation
1,181,952,415.80 : 1,772,928,623.70 = 1,147,940,191.80 : x - Step 2: Convert to fraction form
1,181,952,415.80/1,772,928,623.70 = 1,147,940,191.80/x - Step 3: Cross multiply
1,181,952,415.80x = 1,772,928,623.70 × 1,147,940,191.80 - Step 4: Simplify right side
1,181,952,415.80x = 2,035,216,024,337,888,000 - Step 5: Solve for x
x = 2,035,216,024,337,888,000/1,181,952,415.80 - Step 6: Final answer
x = 1,721,910,287.70
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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.