Finding the Fourth Proportional to 1,105,071,169.14, 1,524,990,455.56 and 603,279,952.75
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Solution
The fourth proportional to 1,105,071,169.14, 1,524,990,455.56 and 603,279,952.75 is: 832,522,099.63
Step by Step Solution
- Step 1: Write the proportion equation
1,105,071,169.14 : 1,524,990,455.56 = 603,279,952.75 : x - Step 2: Convert to fraction form
1,105,071,169.14/1,524,990,455.56 = 603,279,952.75/x - Step 3: Cross multiply
1,105,071,169.14x = 1,524,990,455.56 × 603,279,952.75 - Step 4: Simplify right side
1,105,071,169.14x = 919,996,169,972,929,536 - Step 5: Solve for x
x = 919,996,169,972,929,536/1,105,071,169.14 - Step 6: Final answer
x = 832,522,099.63
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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.