Finding the Fourth Proportional to 576,562,918.05, 795,646,992.99 and 312,242,763.33
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Solution
The fourth proportional to 576,562,918.05, 795,646,992.99 and 312,242,763.33 is: 430,889,687.75
Step by Step Solution
- Step 1: Write the proportion equation
576,562,918.05 : 795,646,992.99 = 312,242,763.33 : x - Step 2: Convert to fraction form
576,562,918.05/795,646,992.99 = 312,242,763.33/x - Step 3: Cross multiply
576,562,918.05x = 795,646,992.99 × 312,242,763.33 - Step 4: Simplify right side
576,562,918.05x = 248,435,015,726,402,720 - Step 5: Solve for x
x = 248,435,015,726,402,720/576,562,918.05 - Step 6: Final answer
x = 430,889,687.75
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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.