Finding the Fourth Proportional to 275,835,648.24, 413,854,363.35 and 128,353,546.62
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Solution
The fourth proportional to 275,835,648.24, 413,854,363.35 and 128,353,546.62 is: 192,577,267.15
Step by Step Solution
- Step 1: Write the proportion equation
275,835,648.24 : 413,854,363.35 = 128,353,546.62 : x - Step 2: Convert to fraction form
275,835,648.24/413,854,363.35 = 128,353,546.62/x - Step 3: Cross multiply
275,835,648.24x = 413,854,363.35 × 128,353,546.62 - Step 4: Simplify right side
275,835,648.24x = 53,119,675,320,134,648 - Step 5: Solve for x
x = 53,119,675,320,134,648/275,835,648.24 - Step 6: Final answer
x = 192,577,267.15
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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.