Finding the Fourth Proportional to 9,033,276,269.20, 12,466,257,679.36 and 5,416,888,791.02
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Solution
The fourth proportional to 9,033,276,269.20, 12,466,257,679.36 and 5,416,888,791.02 is: 7,475,508,273.73
Step by Step Solution
- Step 1: Write the proportion equation
9,033,276,269.20 : 12,466,257,679.36 = 5,416,888,791.02 : x - Step 2: Convert to fraction form
9,033,276,269.20/12,466,257,679.36 = 5,416,888,791.02/x - Step 3: Cross multiply
9,033,276,269.20x = 12,466,257,679.36 × 5,416,888,791.02 - Step 4: Simplify right side
9,033,276,269.20x = 67,528,331,489,292,189,696 - Step 5: Solve for x
x = 67,528,331,489,292,189,696/9,033,276,269.20 - Step 6: Final answer
x = 7,475,508,273.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.