Finding the Fourth Proportional to 432,448,536.78, 648,908,950.62 and 183,415,057.38
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Solution
The fourth proportional to 432,448,536.78, 648,908,950.62 and 183,415,057.38 is: 275,222,742.80
Step by Step Solution
- Step 1: Write the proportion equation
432,448,536.78 : 648,908,950.62 = 183,415,057.38 : x - Step 2: Convert to fraction form
432,448,536.78/648,908,950.62 = 183,415,057.38/x - Step 3: Cross multiply
432,448,536.78x = 648,908,950.62 × 183,415,057.38 - Step 4: Simplify right side
432,448,536.78x = 119,019,672,412,362,880 - Step 5: Solve for x
x = 119,019,672,412,362,880/432,448,536.78 - Step 6: Final answer
x = 275,222,742.80
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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.