Finding the Fourth Proportional to 5,313,948,134.22, 7,967,838,395.79 and 2,515,893,188.40
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Solution
The fourth proportional to 5,313,948,134.22, 7,967,838,395.79 and 2,515,893,188.40 is: 3,772,379,752.29
Step by Step Solution
- Step 1: Write the proportion equation
5,313,948,134.22 : 7,967,838,395.79 = 2,515,893,188.40 : x - Step 2: Convert to fraction form
5,313,948,134.22/7,967,838,395.79 = 2,515,893,188.40/x - Step 3: Cross multiply
5,313,948,134.22x = 7,967,838,395.79 × 2,515,893,188.40 - Step 4: Simplify right side
5,313,948,134.22x = 20,046,230,346,240,045,056 - Step 5: Solve for x
x = 20,046,230,346,240,045,056/5,313,948,134.22 - Step 6: Final answer
x = 3,772,379,752.29
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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.