Finding the Fourth Proportional to 1,207,515,713.40, 1,810,316,976.30 and 662,257,247.40
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Solution
The fourth proportional to 1,207,515,713.40, 1,810,316,976.30 and 662,257,247.40 is: 992,861,230.99
Step by Step Solution
- Step 1: Write the proportion equation
1,207,515,713.40 : 1,810,316,976.30 = 662,257,247.40 : x - Step 2: Convert to fraction form
1,207,515,713.40/1,810,316,976.30 = 662,257,247.40/x - Step 3: Cross multiply
1,207,515,713.40x = 1,810,316,976.30 × 662,257,247.40 - Step 4: Simplify right side
1,207,515,713.40x = 1,198,895,537,645,928,960 - Step 5: Solve for x
x = 1,198,895,537,645,928,960/1,207,515,713.40 - Step 6: Final answer
x = 992,861,230.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.