Finding the Fourth Proportional to 275,623,668.18, 413,413,807.14 and 120,173,807.70
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Solution
The fourth proportional to 275,623,668.18, 413,413,807.14 and 120,173,807.70 is: 180,251,252.32
Step by Step Solution
- Step 1: Write the proportion equation
275,623,668.18 : 413,413,807.14 = 120,173,807.70 : x - Step 2: Convert to fraction form
275,623,668.18/413,413,807.14 = 120,173,807.70/x - Step 3: Cross multiply
275,623,668.18x = 413,413,807.14 × 120,173,807.70 - Step 4: Simplify right side
275,623,668.18x = 49,681,511,359,767,248 - Step 5: Solve for x
x = 49,681,511,359,767,248/275,623,668.18 - Step 6: Final answer
x = 180,251,252.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.