Finding the Fourth Proportional to 2,486,410,136.58, 3,431,228,533.29 and 1,357,379,899.68
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Solution
The fourth proportional to 2,486,410,136.58, 3,431,228,533.29 and 1,357,379,899.68 is: 1,873,174,732.43
Step by Step Solution
- Step 1: Write the proportion equation
2,486,410,136.58 : 3,431,228,533.29 = 1,357,379,899.68 : x - Step 2: Convert to fraction form
2,486,410,136.58/3,431,228,533.29 = 1,357,379,899.68/x - Step 3: Cross multiply
2,486,410,136.58x = 3,431,228,533.29 × 1,357,379,899.68 - Step 4: Simplify right side
2,486,410,136.58x = 4,657,480,642,296,334,336 - Step 5: Solve for x
x = 4,657,480,642,296,334,336/2,486,410,136.58 - Step 6: Final answer
x = 1,873,174,732.43
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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.