Finding the Fourth Proportional to 1,072,605,412.80, 1,608,908,119.20 and 582,829,387.20
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Solution
The fourth proportional to 1,072,605,412.80, 1,608,908,119.20 and 582,829,387.20 is: 874,244,080.80
Step by Step Solution
- Step 1: Write the proportion equation
1,072,605,412.80 : 1,608,908,119.20 = 582,829,387.20 : x - Step 2: Convert to fraction form
1,072,605,412.80/1,608,908,119.20 = 582,829,387.20/x - Step 3: Cross multiply
1,072,605,412.80x = 1,608,908,119.20 × 582,829,387.20 - Step 4: Simplify right side
1,072,605,412.80x = 937,718,933,174,440,704 - Step 5: Solve for x
x = 937,718,933,174,440,704/1,072,605,412.80 - Step 6: Final answer
x = 874,244,080.80
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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.