Finding the Fourth Proportional to 2,872,345,369.36, 3,964,014,244.56 and 1,584,850,944.28
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Solution
The fourth proportional to 2,872,345,369.36, 3,964,014,244.56 and 1,584,850,944.28 is: 2,187,192,315.26
Step by Step Solution
- Step 1: Write the proportion equation
2,872,345,369.36 : 3,964,014,244.56 = 1,584,850,944.28 : x - Step 2: Convert to fraction form
2,872,345,369.36/3,964,014,244.56 = 1,584,850,944.28/x - Step 3: Cross multiply
2,872,345,369.36x = 3,964,014,244.56 × 1,584,850,944.28 - Step 4: Simplify right side
2,872,345,369.36x = 6,282,371,718,630,286,336 - Step 5: Solve for x
x = 6,282,371,718,630,286,336/2,872,345,369.36 - Step 6: Final answer
x = 2,187,192,315.26
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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.