Finding the Fourth Proportional to 2,333,185,957.81, 3,220,046,143.64 and 1,429,541,588.99
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Solution
The fourth proportional to 2,333,185,957.81, 3,220,046,143.64 and 1,429,541,588.99 is: 1,972,920,274.70
Step by Step Solution
- Step 1: Write the proportion equation
2,333,185,957.81 : 3,220,046,143.64 = 1,429,541,588.99 : x - Step 2: Convert to fraction form
2,333,185,957.81/3,220,046,143.64 = 1,429,541,588.99/x - Step 3: Cross multiply
2,333,185,957.81x = 3,220,046,143.64 × 1,429,541,588.99 - Step 4: Simplify right side
2,333,185,957.81x = 4,603,189,880,814,301,696 - Step 5: Solve for x
x = 4,603,189,880,814,301,696/2,333,185,957.81 - Step 6: Final answer
x = 1,972,920,274.70
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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.