Finding the Fourth Proportional to 372,649,791.30, 558,974,686.95 and 127,283,481.60
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Solution
The fourth proportional to 372,649,791.30, 558,974,686.95 and 127,283,481.60 is: 190,925,222.40
Step by Step Solution
- Step 1: Write the proportion equation
372,649,791.30 : 558,974,686.95 = 127,283,481.60 : x - Step 2: Convert to fraction form
372,649,791.30/558,974,686.95 = 127,283,481.60/x - Step 3: Cross multiply
372,649,791.30x = 558,974,686.95 × 127,283,481.60 - Step 4: Simplify right side
372,649,791.30x = 71,148,244,281,266,088 - Step 5: Solve for x
x = 71,148,244,281,266,088/372,649,791.30 - Step 6: Final answer
x = 190,925,222.40
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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.