Finding the Fourth Proportional to 960,279,745.68, 1,325,187,441.72 and 520,246,597.68
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Solution
The fourth proportional to 960,279,745.68, 1,325,187,441.72 and 520,246,597.68 is: 717,941,059.31
Step by Step Solution
- Step 1: Write the proportion equation
960,279,745.68 : 1,325,187,441.72 = 520,246,597.68 : x - Step 2: Convert to fraction form
960,279,745.68/1,325,187,441.72 = 520,246,597.68/x - Step 3: Cross multiply
960,279,745.68x = 1,325,187,441.72 × 520,246,597.68 - Step 4: Simplify right side
960,279,745.68x = 689,424,257,843,093,248 - Step 5: Solve for x
x = 689,424,257,843,093,248/960,279,745.68 - Step 6: Final answer
x = 717,941,059.31
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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.