Finding the Fourth Proportional to 489,457,233.20, 734,185,849.80 and 368,524,881.20
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Solution
The fourth proportional to 489,457,233.20, 734,185,849.80 and 368,524,881.20 is: 552,787,321.80
Step by Step Solution
- Step 1: Write the proportion equation
489,457,233.20 : 734,185,849.80 = 368,524,881.20 : x - Step 2: Convert to fraction form
489,457,233.20/734,185,849.80 = 368,524,881.20/x - Step 3: Cross multiply
489,457,233.20x = 734,185,849.80 × 368,524,881.20 - Step 4: Simplify right side
489,457,233.20x = 270,565,753,076,266,016 - Step 5: Solve for x
x = 270,565,753,076,266,016/489,457,233.20 - Step 6: Final answer
x = 552,787,321.80
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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.