Finding the Fourth Proportional to 3,724,704,962.92, 5,140,216,936.38 and 2,031,252,005.08
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Solution
The fourth proportional to 3,724,704,962.92, 5,140,216,936.38 and 2,031,252,005.08 is: 2,803,195,437.63
Step by Step Solution
- Step 1: Write the proportion equation
3,724,704,962.92 : 5,140,216,936.38 = 2,031,252,005.08 : x - Step 2: Convert to fraction form
3,724,704,962.92/5,140,216,936.38 = 2,031,252,005.08/x - Step 3: Cross multiply
3,724,704,962.92x = 5,140,216,936.38 × 2,031,252,005.08 - Step 4: Simplify right side
3,724,704,962.92x = 10,441,075,958,568,048,640 - Step 5: Solve for x
x = 10,441,075,958,568,048,640/3,724,704,962.92 - Step 6: Final answer
x = 2,803,195,437.63
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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.