Finding the Fourth Proportional to 5,313,948,062.70, 7,967,838,288.24 and 2,515,893,115.80
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Solution
The fourth proportional to 5,313,948,062.70, 7,967,838,288.24 and 2,515,893,115.80 is: 3,772,379,643.28
Step by Step Solution
- Step 1: Write the proportion equation
5,313,948,062.70 : 7,967,838,288.24 = 2,515,893,115.80 : x - Step 2: Convert to fraction form
5,313,948,062.70/7,967,838,288.24 = 2,515,893,115.80/x - Step 3: Cross multiply
5,313,948,062.70x = 7,967,838,288.24 × 2,515,893,115.80 - Step 4: Simplify right side
5,313,948,062.70x = 20,046,229,497,190,674,432 - Step 5: Solve for x
x = 20,046,229,497,190,674,432/5,313,948,062.70 - Step 6: Final answer
x = 3,772,379,643.28
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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.