Finding the Fourth Proportional to 1,619,633,230.56, 2,235,096,013.68 and 877,078,573.92
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Solution
The fourth proportional to 1,619,633,230.56, 2,235,096,013.68 and 877,078,573.92 is: 1,210,369,599.28
Step by Step Solution
- Step 1: Write the proportion equation
1,619,633,230.56 : 2,235,096,013.68 = 877,078,573.92 : x - Step 2: Convert to fraction form
1,619,633,230.56/2,235,096,013.68 = 877,078,573.92/x - Step 3: Cross multiply
1,619,633,230.56x = 2,235,096,013.68 × 877,078,573.92 - Step 4: Simplify right side
1,619,633,230.56x = 1,960,354,824,252,730,880 - Step 5: Solve for x
x = 1,960,354,824,252,730,880/1,619,633,230.56 - Step 6: Final answer
x = 1,210,369,599.28
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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.