Finding the Fourth Proportional to 384,939,750.20, 577,409,625.30 and 126,092,553.80
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Solution
The fourth proportional to 384,939,750.20, 577,409,625.30 and 126,092,553.80 is: 189,138,830.70
Step by Step Solution
- Step 1: Write the proportion equation
384,939,750.20 : 577,409,625.30 = 126,092,553.80 : x - Step 2: Convert to fraction form
384,939,750.20/577,409,625.30 = 126,092,553.80/x - Step 3: Cross multiply
384,939,750.20x = 577,409,625.30 × 126,092,553.80 - Step 4: Simplify right side
384,939,750.20x = 72,807,054,242,778,080 - Step 5: Solve for x
x = 72,807,054,242,778,080/384,939,750.20 - Step 6: Final answer
x = 189,138,830.70
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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.