Finding the Fourth Proportional to 628,729,884,656.49, 868,362,943,525.80 and 422,606,266,742.49
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Solution
The fourth proportional to 628,729,884,656.49, 868,362,943,525.80 and 422,606,266,742.49 is: 583,677,713,906.44
Step by Step Solution
- Step 1: Write the proportion equation
628,729,884,656.49 : 868,362,943,525.80 = 422,606,266,742.49 : x - Step 2: Convert to fraction form
628,729,884,656.49/868,362,943,525.80 = 422,606,266,742.49/x - Step 3: Cross multiply
628,729,884,656.49x = 868,362,943,525.80 × 422,606,266,742.49 - Step 4: Simplify right side
628,729,884,656.49x = 366,975,621,740,958,024,990,720 - Step 5: Solve for x
x = 366,975,621,740,958,024,990,720/628,729,884,656.49 - Step 6: Final answer
x = 583,677,713,906.44
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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.