Finding the Fourth Proportional to 2,321,158,959.99, 3,203,185,721.13 and 1,263,884,400.65
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Solution
The fourth proportional to 2,321,158,959.99, 3,203,185,721.13 and 1,263,884,400.65 is: 1,744,153,043.85
Step by Step Solution
- Step 1: Write the proportion equation
2,321,158,959.99 : 3,203,185,721.13 = 1,263,884,400.65 : x - Step 2: Convert to fraction form
2,321,158,959.99/3,203,185,721.13 = 1,263,884,400.65/x - Step 3: Cross multiply
2,321,158,959.99x = 3,203,185,721.13 × 1,263,884,400.65 - Step 4: Simplify right side
2,321,158,959.99x = 4,048,456,465,329,035,776 - Step 5: Solve for x
x = 4,048,456,465,329,035,776/2,321,158,959.99 - Step 6: Final answer
x = 1,744,153,043.85
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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.