Finding the Fourth Proportional to 5,709,102,041.69, 7,877,921,815.26 and 3,168,891,089.49
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Solution
The fourth proportional to 5,709,102,041.69, 7,877,921,815.26 and 3,168,891,089.49 is: 4,372,715,019.24
Step by Step Solution
- Step 1: Write the proportion equation
5,709,102,041.69 : 7,877,921,815.26 = 3,168,891,089.49 : x - Step 2: Convert to fraction form
5,709,102,041.69/7,877,921,815.26 = 3,168,891,089.49/x - Step 3: Cross multiply
5,709,102,041.69x = 7,877,921,815.26 × 3,168,891,089.49 - Step 4: Simplify right side
5,709,102,041.69x = 24,964,276,244,076,298,240 - Step 5: Solve for x
x = 24,964,276,244,076,298,240/5,709,102,041.69 - Step 6: Final answer
x = 4,372,715,019.24
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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.