Finding the Fourth Proportional to 697,104,548.40, 962,021,527.68 and 379,582,201.44
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Solution
The fourth proportional to 697,104,548.40, 962,021,527.68 and 379,582,201.44 is: 523,832,831.31
Step by Step Solution
- Step 1: Write the proportion equation
697,104,548.40 : 962,021,527.68 = 379,582,201.44 : x - Step 2: Convert to fraction form
697,104,548.40/962,021,527.68 = 379,582,201.44/x - Step 3: Cross multiply
697,104,548.40x = 962,021,527.68 × 379,582,201.44 - Step 4: Simplify right side
697,104,548.40x = 365,166,249,309,446,272 - Step 5: Solve for x
x = 365,166,249,309,446,272/697,104,548.40 - Step 6: Final answer
x = 523,832,831.31
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1.5x scale
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.