Finding the Fourth Proportional to 264,220,553.40, 396,330,830.10 and 191,283,228.60
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Solution
The fourth proportional to 264,220,553.40, 396,330,830.10 and 191,283,228.60 is: 286,924,842.90
Step by Step Solution
- Step 1: Write the proportion equation
264,220,553.40 : 396,330,830.10 = 191,283,228.60 : x - Step 2: Convert to fraction form
264,220,553.40/396,330,830.10 = 191,283,228.60/x - Step 3: Cross multiply
264,220,553.40x = 396,330,830.10 × 191,283,228.60 - Step 4: Simplify right side
264,220,553.40x = 75,811,440,775,246,064 - Step 5: Solve for x
x = 75,811,440,775,246,064/264,220,553.40 - Step 6: Final answer
x = 286,924,842.90
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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.