Finding the Fourth Proportional to 5,668,717,828.85, 8,503,076,743.28 and 1,988,595,192.05
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Solution
The fourth proportional to 5,668,717,828.85, 8,503,076,743.28 and 1,988,595,192.05 is: 2,982,892,788.08
Step by Step Solution
- Step 1: Write the proportion equation
5,668,717,828.85 : 8,503,076,743.28 = 1,988,595,192.05 : x - Step 2: Convert to fraction form
5,668,717,828.85/8,503,076,743.28 = 1,988,595,192.05/x - Step 3: Cross multiply
5,668,717,828.85x = 8,503,076,743.28 × 1,988,595,192.05 - Step 4: Simplify right side
5,668,717,828.85x = 16,909,177,529,308,835,840 - Step 5: Solve for x
x = 16,909,177,529,308,835,840/5,668,717,828.85 - Step 6: Final answer
x = 2,982,892,788.08
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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.