Finding the Fourth Proportional to 7,412,416,641.74, 11,118,615,573.10 and 1,891,674,797.42
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Solution
The fourth proportional to 7,412,416,641.74, 11,118,615,573.10 and 1,891,674,797.42 is: 2,837,509,799.89
Step by Step Solution
- Step 1: Write the proportion equation
7,412,416,641.74 : 11,118,615,573.10 = 1,891,674,797.42 : x - Step 2: Convert to fraction form
7,412,416,641.74/11,118,615,573.10 = 1,891,674,797.42/x - Step 3: Cross multiply
7,412,416,641.74x = 11,118,615,573.10 × 1,891,674,797.42 - Step 4: Simplify right side
7,412,416,641.74x = 21,032,804,861,834,801,152 - Step 5: Solve for x
x = 21,032,804,861,834,801,152/7,412,416,641.74 - Step 6: Final answer
x = 2,837,509,799.89
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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.