Finding the Fourth Proportional to 4,845,834,243.20, 7,268,751,364.80 and 1,574,614,121.60
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Solution
The fourth proportional to 4,845,834,243.20, 7,268,751,364.80 and 1,574,614,121.60 is: 2,361,921,182.40
Step by Step Solution
- Step 1: Write the proportion equation
4,845,834,243.20 : 7,268,751,364.80 = 1,574,614,121.60 : x - Step 2: Convert to fraction form
4,845,834,243.20/7,268,751,364.80 = 1,574,614,121.60/x - Step 3: Cross multiply
4,845,834,243.20x = 7,268,751,364.80 × 1,574,614,121.60 - Step 4: Simplify right side
4,845,834,243.20x = 11,445,478,545,413,353,472 - Step 5: Solve for x
x = 11,445,478,545,413,353,472/4,845,834,243.20 - Step 6: Final answer
x = 2,361,921,182.40
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Double scale
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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.