Finding the Fourth Proportional to 4,137,661,821.71, 5,713,226,737.63 and 3,331,327,970.81
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Solution
The fourth proportional to 4,137,661,821.71, 5,713,226,737.63 and 3,331,327,970.81 is: 4,599,852,006.94
Step by Step Solution
- Step 1: Write the proportion equation
4,137,661,821.71 : 5,713,226,737.63 = 3,331,327,970.81 : x - Step 2: Convert to fraction form
4,137,661,821.71/5,713,226,737.63 = 3,331,327,970.81/x - Step 3: Cross multiply
4,137,661,821.71x = 5,713,226,737.63 × 3,331,327,970.81 - Step 4: Simplify right side
4,137,661,821.71x = 19,032,632,034,652,336,128 - Step 5: Solve for x
x = 19,032,632,034,652,336,128/4,137,661,821.71 - Step 6: Final answer
x = 4,599,852,006.94
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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.