Finding the Fourth Proportional to 5,322,589,479.70, 7,347,435,124.75 and 3,316,415,806.76
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Solution
The fourth proportional to 5,322,589,479.70, 7,347,435,124.75 and 3,316,415,806.76 is: 4,578,063,004.81
Step by Step Solution
- Step 1: Write the proportion equation
5,322,589,479.70 : 7,347,435,124.75 = 3,316,415,806.76 : x - Step 2: Convert to fraction form
5,322,589,479.70/7,347,435,124.75 = 3,316,415,806.76/x - Step 3: Cross multiply
5,322,589,479.70x = 7,347,435,124.75 × 3,316,415,806.76 - Step 4: Simplify right side
5,322,589,479.70x = 24,367,149,986,818,510,848 - Step 5: Solve for x
x = 24,367,149,986,818,510,848/5,322,589,479.70 - Step 6: Final answer
x = 4,578,063,004.81
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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.