Finding the Fourth Proportional to 2,164,914,671.09, 2,987,582,245.25 and 1,174,840,088.09
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Solution
The fourth proportional to 2,164,914,671.09, 2,987,582,245.25 and 1,174,840,088.09 is: 1,621,279,321.09
Step by Step Solution
- Step 1: Write the proportion equation
2,164,914,671.09 : 2,987,582,245.25 = 1,174,840,088.09 : x - Step 2: Convert to fraction form
2,164,914,671.09/2,987,582,245.25 = 1,174,840,088.09/x - Step 3: Cross multiply
2,164,914,671.09x = 2,987,582,245.25 × 1,174,840,088.09 - Step 4: Simplify right side
2,164,914,671.09x = 3,509,931,388,164,817,920 - Step 5: Solve for x
x = 3,509,931,388,164,817,920/2,164,914,671.09 - Step 6: Final answer
x = 1,621,279,321.09
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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.