Finding the Fourth Proportional to 7,277,268,463.87, 10,042,630,402.38 and 3,935,766,746.24
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Solution
The fourth proportional to 7,277,268,463.87, 10,042,630,402.38 and 3,935,766,746.24 is: 5,431,358,067.75
Step by Step Solution
- Step 1: Write the proportion equation
7,277,268,463.87 : 10,042,630,402.38 = 3,935,766,746.24 : x - Step 2: Convert to fraction form
7,277,268,463.87/10,042,630,402.38 = 3,935,766,746.24/x - Step 3: Cross multiply
7,277,268,463.87x = 10,042,630,402.38 × 3,935,766,746.24 - Step 4: Simplify right side
7,277,268,463.87x = 39,525,450,782,396,145,664 - Step 5: Solve for x
x = 39,525,450,782,396,145,664/7,277,268,463.87 - Step 6: Final answer
x = 5,431,358,067.75
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1.5x scale
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.