Finding the Fourth Proportional to 2,198,872,983.68, 3,291,131,259.84 and 1,616,453,072
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Solution
The fourth proportional to 2,198,872,983.68, 3,291,131,259.84 and 1,616,453,072 is: 2,419,402,700.75
Step by Step Solution
- Step 1: Write the proportion equation
2,198,872,983.68 : 3,291,131,259.84 = 1,616,453,072 : x - Step 2: Convert to fraction form
2,198,872,983.68/3,291,131,259.84 = 1,616,453,072/x - Step 3: Cross multiply
2,198,872,983.68x = 3,291,131,259.84 × 1,616,453,072 - Step 4: Simplify right side
2,198,872,983.68x = 5,319,959,235,323,598,848 - Step 5: Solve for x
x = 5,319,959,235,323,598,848/2,198,872,983.68 - Step 6: Final answer
x = 2,419,402,700.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.