Finding the Fourth Proportional to 2,122,169,574.14, 3,179,174,513.51 and 1,186,655,007.74
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Solution
The fourth proportional to 2,122,169,574.14, 3,179,174,513.51 and 1,186,655,007.74 is: 1,777,701,180.38
Step by Step Solution
- Step 1: Write the proportion equation
2,122,169,574.14 : 3,179,174,513.51 = 1,186,655,007.74 : x - Step 2: Convert to fraction form
2,122,169,574.14/3,179,174,513.51 = 1,186,655,007.74/x - Step 3: Cross multiply
2,122,169,574.14x = 3,179,174,513.51 × 1,186,655,007.74 - Step 4: Simplify right side
2,122,169,574.14x = 3,772,583,356,914,190,336 - Step 5: Solve for x
x = 3,772,583,356,914,190,336/2,122,169,574.14 - Step 6: Final answer
x = 1,777,701,180.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.