Finding the Fourth Proportional to 1,674,421,583.29, 2,310,731,171.33 and 911,487,591.92
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Solution
The fourth proportional to 1,674,421,583.29, 2,310,731,171.33 and 911,487,591.92 is: 1,257,868,873.62
Step by Step Solution
- Step 1: Write the proportion equation
1,674,421,583.29 : 2,310,731,171.33 = 911,487,591.92 : x - Step 2: Convert to fraction form
1,674,421,583.29/2,310,731,171.33 = 911,487,591.92/x - Step 3: Cross multiply
1,674,421,583.29x = 2,310,731,171.33 × 911,487,591.92 - Step 4: Simplify right side
1,674,421,583.29x = 2,106,202,790,931,281,920 - Step 5: Solve for x
x = 2,106,202,790,931,281,920/1,674,421,583.29 - Step 6: Final answer
x = 1,257,868,873.62
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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.