Finding the Fourth Proportional to 629,018,497.38, 943,527,745.74 and 192,319,182.08
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Solution
The fourth proportional to 629,018,497.38, 943,527,745.74 and 192,319,182.08 is: 288,478,773.02
Step by Step Solution
- Step 1: Write the proportion equation
629,018,497.38 : 943,527,745.74 = 192,319,182.08 : x - Step 2: Convert to fraction form
629,018,497.38/943,527,745.74 = 192,319,182.08/x - Step 3: Cross multiply
629,018,497.38x = 943,527,745.74 × 192,319,182.08 - Step 4: Simplify right side
629,018,497.38x = 181,458,484,330,503,008 - Step 5: Solve for x
x = 181,458,484,330,503,008/629,018,497.38 - Step 6: Final answer
x = 288,478,773.02
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1.5x scale
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.