Finding the Fourth Proportional to 10,621,223,129.07, 14,656,903,668.86 and 5,863,396,842.63
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Solution
The fourth proportional to 10,621,223,129.07, 14,656,903,668.86 and 5,863,396,842.63 is: 8,091,275,519.81
Step by Step Solution
- Step 1: Write the proportion equation
10,621,223,129.07 : 14,656,903,668.86 = 5,863,396,842.63 : x - Step 2: Convert to fraction form
10,621,223,129.07/14,656,903,668.86 = 5,863,396,842.63/x - Step 3: Cross multiply
10,621,223,129.07x = 14,656,903,668.86 × 5,863,396,842.63 - Step 4: Simplify right side
10,621,223,129.07x = 85,939,242,694,696,468,480 - Step 5: Solve for x
x = 85,939,242,694,696,468,480/10,621,223,129.07 - Step 6: Final answer
x = 8,091,275,519.81
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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.