Finding the Fourth Proportional to 406,177,496.43, 609,236,444.49 and 129,754,491.02
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Solution
The fourth proportional to 406,177,496.43, 609,236,444.49 and 129,754,491.02 is: 194,622,216.78
Step by Step Solution
- Step 1: Write the proportion equation
406,177,496.43 : 609,236,444.49 = 129,754,491.02 : x - Step 2: Convert to fraction form
406,177,496.43/609,236,444.49 = 129,754,491.02/x - Step 3: Cross multiply
406,177,496.43x = 609,236,444.49 × 129,754,491.02 - Step 4: Simplify right side
406,177,496.43x = 79,051,164,762,588,256 - Step 5: Solve for x
x = 79,051,164,762,588,256/406,177,496.43 - Step 6: Final answer
x = 194,622,216.78
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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.