Finding the Fourth Proportional to 1,474,353,113.69, 2,211,537,937.70 and 491,776,955.44
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Solution
The fourth proportional to 1,474,353,113.69, 2,211,537,937.70 and 491,776,955.44 is: 737,668,190.71
Step by Step Solution
- Step 1: Write the proportion equation
1,474,353,113.69 : 2,211,537,937.70 = 491,776,955.44 : x - Step 2: Convert to fraction form
1,474,353,113.69/2,211,537,937.70 = 491,776,955.44/x - Step 3: Cross multiply
1,474,353,113.69x = 2,211,537,937.70 × 491,776,955.44 - Step 4: Simplify right side
1,474,353,113.69x = 1,087,583,393,837,862,912 - Step 5: Solve for x
x = 1,087,583,393,837,862,912/1,474,353,113.69 - Step 6: Final answer
x = 737,668,190.71
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1.5x scale
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.