Finding the Fourth Proportional to 26,373,740,515.92, 39,566,729,868.66 and 8,686,783,507.68
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Solution
The fourth proportional to 26,373,740,515.92, 39,566,729,868.66 and 8,686,783,507.68 is: 13,032,190,722.75
Step by Step Solution
- Step 1: Write the proportion equation
26,373,740,515.92 : 39,566,729,868.66 = 8,686,783,507.68 : x - Step 2: Convert to fraction form
26,373,740,515.92/39,566,729,868.66 = 8,686,783,507.68/x - Step 3: Cross multiply
26,373,740,515.92x = 39,566,729,868.66 × 8,686,783,507.68 - Step 4: Simplify right side
26,373,740,515.92x = 343,707,616,475,905,392,640 - Step 5: Solve for x
x = 343,707,616,475,905,392,640/26,373,740,515.92 - Step 6: Final answer
x = 13,032,190,722.75
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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.