Finding the Fourth Proportional to 493,974,014.93, 739,973,040.29 and 297,128,766.75
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Solution
The fourth proportional to 493,974,014.93, 739,973,040.29 and 297,128,766.75 is: 445,098,872.09
Step by Step Solution
- Step 1: Write the proportion equation
493,974,014.93 : 739,973,040.29 = 297,128,766.75 : x - Step 2: Convert to fraction form
493,974,014.93/739,973,040.29 = 297,128,766.75/x - Step 3: Cross multiply
493,974,014.93x = 739,973,040.29 × 297,128,766.75 - Step 4: Simplify right side
493,974,014.93x = 219,867,276,888,130,112 - Step 5: Solve for x
x = 219,867,276,888,130,112/493,974,014.93 - Step 6: Final answer
x = 445,098,872.09
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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.