Finding the Fourth Proportional to 4,783,684,007.20, 7,175,526,010.80 and 2,606,901,671.20
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Solution
The fourth proportional to 4,783,684,007.20, 7,175,526,010.80 and 2,606,901,671.20 is: 3,910,352,506.80
Step by Step Solution
- Step 1: Write the proportion equation
4,783,684,007.20 : 7,175,526,010.80 = 2,606,901,671.20 : x - Step 2: Convert to fraction form
4,783,684,007.20/7,175,526,010.80 = 2,606,901,671.20/x - Step 3: Cross multiply
4,783,684,007.20x = 7,175,526,010.80 × 2,606,901,671.20 - Step 4: Simplify right side
4,783,684,007.20x = 18,705,890,749,293,588,480 - Step 5: Solve for x
x = 18,705,890,749,293,588,480/4,783,684,007.20 - Step 6: Final answer
x = 3,910,352,506.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.