Finding the Fourth Proportional to 2,959,169,682.74, 4,083,621,651.88 and 1,602,769,839.48
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Solution
The fourth proportional to 2,959,169,682.74, 4,083,621,651.88 and 1,602,769,839.48 is: 2,211,804,769.99
Step by Step Solution
- Step 1: Write the proportion equation
2,959,169,682.74 : 4,083,621,651.88 = 1,602,769,839.48 : x - Step 2: Convert to fraction form
2,959,169,682.74/4,083,621,651.88 = 1,602,769,839.48/x - Step 3: Cross multiply
2,959,169,682.74x = 4,083,621,651.88 × 1,602,769,839.48 - Step 4: Simplify right side
2,959,169,682.74x = 6,545,105,619,480,760,320 - Step 5: Solve for x
x = 6,545,105,619,480,760,320/2,959,169,682.74 - Step 6: Final answer
x = 2,211,804,769.99
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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.