Finding the Fourth Proportional to 818,447,268.36, 1,228,544,843.94 and 352,339,395.24
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Solution
The fourth proportional to 818,447,268.36, 1,228,544,843.94 and 352,339,395.24 is: 528,885,322.33
Step by Step Solution
- Step 1: Write the proportion equation
818,447,268.36 : 1,228,544,843.94 = 352,339,395.24 : x - Step 2: Convert to fraction form
818,447,268.36/1,228,544,843.94 = 352,339,395.24/x - Step 3: Cross multiply
818,447,268.36x = 1,228,544,843.94 × 352,339,395.24 - Step 4: Simplify right side
818,447,268.36x = 432,864,747,339,039,808 - Step 5: Solve for x
x = 432,864,747,339,039,808/818,447,268.36 - Step 6: Final answer
x = 528,885,322.33
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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.