Finding the Fourth Proportional to 799,904,305.14, 1,103,869,561.49 and 447,486,181.12
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Solution
The fourth proportional to 799,904,305.14, 1,103,869,561.49 and 447,486,181.12 is: 617,531,836.44
Step by Step Solution
- Step 1: Write the proportion equation
799,904,305.14 : 1,103,869,561.49 = 447,486,181.12 : x - Step 2: Convert to fraction form
799,904,305.14/1,103,869,561.49 = 447,486,181.12/x - Step 3: Cross multiply
799,904,305.14x = 1,103,869,561.49 × 447,486,181.12 - Step 4: Simplify right side
799,904,305.14x = 493,966,374,525,769,152 - Step 5: Solve for x
x = 493,966,374,525,769,152/799,904,305.14 - Step 6: Final answer
x = 617,531,836.44
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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.