Finding the Fourth Proportional to 2,590,758,329.46, 3,886,148,879.21 and 820,137,746.62
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Solution
The fourth proportional to 2,590,758,329.46, 3,886,148,879.21 and 820,137,746.62 is: 1,230,210,224.00
Step by Step Solution
- Step 1: Write the proportion equation
2,590,758,329.46 : 3,886,148,879.21 = 820,137,746.62 : x - Step 2: Convert to fraction form
2,590,758,329.46/3,886,148,879.21 = 820,137,746.62/x - Step 3: Cross multiply
2,590,758,329.46x = 3,886,148,879.21 × 820,137,746.62 - Step 4: Simplify right side
2,590,758,329.46x = 3,187,177,384,825,127,936 - Step 5: Solve for x
x = 3,187,177,384,825,127,936/2,590,758,329.46 - Step 6: Final answer
x = 1,230,210,224.00
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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.