Finding the Fourth Proportional to 403,178,282.68, 604,855,624.02 and 130,576,605.88
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Solution
The fourth proportional to 403,178,282.68, 604,855,624.02 and 130,576,605.88 is: 195,893,473.99
Step by Step Solution
- Step 1: Write the proportion equation
403,178,282.68 : 604,855,624.02 = 130,576,605.88 : x - Step 2: Convert to fraction form
403,178,282.68/604,855,624.02 = 130,576,605.88/x - Step 3: Cross multiply
403,178,282.68x = 604,855,624.02 × 130,576,605.88 - Step 4: Simplify right side
403,178,282.68x = 78,979,994,431,960,992 - Step 5: Solve for x
x = 78,979,994,431,960,992/403,178,282.68 - Step 6: Final answer
x = 195,893,473.99
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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.