Finding the Fourth Proportional to 384,866,462.80, 531,192,877.36 and 228,320,462.80
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Solution
The fourth proportional to 384,866,462.80, 531,192,877.36 and 228,320,462.80 is: 315,128,012.75
Step by Step Solution
- Step 1: Write the proportion equation
384,866,462.80 : 531,192,877.36 = 228,320,462.80 : x - Step 2: Convert to fraction form
384,866,462.80/531,192,877.36 = 228,320,462.80/x - Step 3: Cross multiply
384,866,462.80x = 531,192,877.36 × 228,320,462.80 - Step 4: Simplify right side
384,866,462.80x = 121,282,203,594,898,848 - Step 5: Solve for x
x = 121,282,203,594,898,848/384,866,462.80 - Step 6: Final answer
x = 315,128,012.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.