Finding the Fourth Proportional to 436,344,634.53, 654,395,852.12 and 121,138,251.30
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Solution
The fourth proportional to 436,344,634.53, 654,395,852.12 and 121,138,251.30 is: 181,673,757.19
Step by Step Solution
- Step 1: Write the proportion equation
436,344,634.53 : 654,395,852.12 = 121,138,251.30 : x - Step 2: Convert to fraction form
436,344,634.53/654,395,852.12 = 121,138,251.30/x - Step 3: Cross multiply
436,344,634.53x = 654,395,852.12 × 121,138,251.30 - Step 4: Simplify right side
436,344,634.53x = 79,272,369,183,184,512 - Step 5: Solve for x
x = 79,272,369,183,184,512/436,344,634.53 - Step 6: Final answer
x = 181,673,757.19
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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.