Finding the Fourth Proportional to 653,112,415.26, 901,295,181.81 and 359,756,983.26
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Solution
The fourth proportional to 653,112,415.26, 901,295,181.81 and 359,756,983.26 is: 496,464,663.75
Step by Step Solution
- Step 1: Write the proportion equation
653,112,415.26 : 901,295,181.81 = 359,756,983.26 : x - Step 2: Convert to fraction form
653,112,415.26/901,295,181.81 = 359,756,983.26/x - Step 3: Cross multiply
653,112,415.26x = 901,295,181.81 × 359,756,983.26 - Step 4: Simplify right side
653,112,415.26x = 324,247,235,634,738,816 - Step 5: Solve for x
x = 324,247,235,634,738,816/653,112,415.26 - Step 6: Final answer
x = 496,464,663.75
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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.