Finding the Fourth Proportional to 572,196,950.99, 857,044,065.72 and 405,695,759.69
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Solution
The fourth proportional to 572,196,950.99, 857,044,065.72 and 405,695,759.69 is: 607,656,406.99
Step by Step Solution
- Step 1: Write the proportion equation
572,196,950.99 : 857,044,065.72 = 405,695,759.69 : x - Step 2: Convert to fraction form
572,196,950.99/857,044,065.72 = 405,695,759.69/x - Step 3: Cross multiply
572,196,950.99x = 857,044,065.72 × 405,695,759.69 - Step 4: Simplify right side
572,196,950.99x = 347,699,143,330,081,728 - Step 5: Solve for x
x = 347,699,143,330,081,728/572,196,950.99 - Step 6: Final answer
x = 607,656,406.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.