Finding the Fourth Proportional to 1,619,633,203.56, 2,235,095,976.42 and 877,078,546.92
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Solution
The fourth proportional to 1,619,633,203.56, 2,235,095,976.42 and 877,078,546.92 is: 1,210,369,562.02
Step by Step Solution
- Step 1: Write the proportion equation
1,619,633,203.56 : 2,235,095,976.42 = 877,078,546.92 : x - Step 2: Convert to fraction form
1,619,633,203.56/2,235,095,976.42 = 877,078,546.92/x - Step 3: Cross multiply
1,619,633,203.56x = 2,235,095,976.42 × 877,078,546.92 - Step 4: Simplify right side
1,619,633,203.56x = 1,960,354,731,225,192,192 - Step 5: Solve for x
x = 1,960,354,731,225,192,192/1,619,633,203.56 - Step 6: Final answer
x = 1,210,369,562.02
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1.5x scale
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.