Finding the Fourth Proportional to 406,177,496.93, 609,236,445.24 and 129,754,491.52
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Solution
The fourth proportional to 406,177,496.93, 609,236,445.24 and 129,754,491.52 is: 194,622,217.53
Step by Step Solution
- Step 1: Write the proportion equation
406,177,496.93 : 609,236,445.24 = 129,754,491.52 : x - Step 2: Convert to fraction form
406,177,496.93/609,236,445.24 = 129,754,491.52/x - Step 3: Cross multiply
406,177,496.93x = 609,236,445.24 × 129,754,491.52 - Step 4: Simplify right side
406,177,496.93x = 79,051,165,164,522,336 - Step 5: Solve for x
x = 79,051,165,164,522,336/406,177,496.93 - Step 6: Final answer
x = 194,622,217.53
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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.