Finding the Fourth Proportional to 369,026,424.06, 509,257,380.87 and 201,773,477.70
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Solution
The fourth proportional to 369,026,424.06, 509,257,380.87 and 201,773,477.70 is: 278,447,899.89
Step by Step Solution
- Step 1: Write the proportion equation
369,026,424.06 : 509,257,380.87 = 201,773,477.70 : x - Step 2: Convert to fraction form
369,026,424.06/509,257,380.87 = 201,773,477.70/x - Step 3: Cross multiply
369,026,424.06x = 509,257,380.87 × 201,773,477.70 - Step 4: Simplify right side
369,026,424.06x = 102,754,632,782,533,344 - Step 5: Solve for x
x = 102,754,632,782,533,344/369,026,424.06 - Step 6: Final answer
x = 278,447,899.89
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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.