Finding the Fourth Proportional to 475,421,777.73, 655,983,806.99 and 274,475,169.99
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Solution
The fourth proportional to 475,421,777.73, 655,983,806.99 and 274,475,169.99 is: 378,719,014.07
Step by Step Solution
- Step 1: Write the proportion equation
475,421,777.73 : 655,983,806.99 = 274,475,169.99 : x - Step 2: Convert to fraction form
475,421,777.73/655,983,806.99 = 274,475,169.99/x - Step 3: Cross multiply
475,421,777.73x = 655,983,806.99 × 274,475,169.99 - Step 4: Simplify right side
475,421,777.73x = 180,051,266,929,615,328 - Step 5: Solve for x
x = 180,051,266,929,615,328/475,421,777.73 - Step 6: Final answer
x = 378,719,014.07
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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.