Finding the Fourth Proportional to 5,124,668,375.22, 7,068,950,029.99 and 3,384,607,462.03
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Solution
The fourth proportional to 5,124,668,375.22, 7,068,950,029.99 and 3,384,607,462.03 is: 4,668,715,957.49
Step by Step Solution
- Step 1: Write the proportion equation
5,124,668,375.22 : 7,068,950,029.99 = 3,384,607,462.03 : x - Step 2: Convert to fraction form
5,124,668,375.22/7,068,950,029.99 = 3,384,607,462.03/x - Step 3: Cross multiply
5,124,668,375.22x = 7,068,950,029.99 × 3,384,607,462.03 - Step 4: Simplify right side
5,124,668,375.22x = 23,925,621,020,221,345,792 - Step 5: Solve for x
x = 23,925,621,020,221,345,792/5,124,668,375.22 - Step 6: Final answer
x = 4,668,715,957.49
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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.