Finding the Fourth Proportional to 368,227,059.48, 508,165,206.12 and 209,453,075.64
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Solution
The fourth proportional to 368,227,059.48, 508,165,206.12 and 209,453,075.64 is: 289,051,992.83
Step by Step Solution
- Step 1: Write the proportion equation
368,227,059.48 : 508,165,206.12 = 209,453,075.64 : x - Step 2: Convert to fraction form
368,227,059.48/508,165,206.12 = 209,453,075.64/x - Step 3: Cross multiply
368,227,059.48x = 508,165,206.12 × 209,453,075.64 - Step 4: Simplify right side
368,227,059.48x = 106,436,765,355,068,544 - Step 5: Solve for x
x = 106,436,765,355,068,544/368,227,059.48 - Step 6: Final answer
x = 289,051,992.83
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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.