Finding the Fourth Proportional to 2,999,686,324.32, 4,497,889,203.60 and 2,381,870,218.60
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Solution
The fourth proportional to 2,999,686,324.32, 4,497,889,203.60 and 2,381,870,218.60 is: 3,571,502,878.07
Step by Step Solution
- Step 1: Write the proportion equation
2,999,686,324.32 : 4,497,889,203.60 = 2,381,870,218.60 : x - Step 2: Convert to fraction form
2,999,686,324.32/4,497,889,203.60 = 2,381,870,218.60/x - Step 3: Cross multiply
2,999,686,324.32x = 4,497,889,203.60 × 2,381,870,218.60 - Step 4: Simplify right side
2,999,686,324.32x = 10,713,388,340,617,312,256 - Step 5: Solve for x
x = 10,713,388,340,617,312,256/2,999,686,324.32 - Step 6: Final answer
x = 3,571,502,878.07
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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.