Finding the Fourth Proportional to 775,665,772.96, 1,163,490,991.50 and 355,367,926.06
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Solution
The fourth proportional to 775,665,772.96, 1,163,490,991.50 and 355,367,926.06 is: 533,048,376.06
Step by Step Solution
- Step 1: Write the proportion equation
775,665,772.96 : 1,163,490,991.50 = 355,367,926.06 : x - Step 2: Convert to fraction form
775,665,772.96/1,163,490,991.50 = 355,367,926.06/x - Step 3: Cross multiply
775,665,772.96x = 1,163,490,991.50 × 355,367,926.06 - Step 4: Simplify right side
775,665,772.96x = 413,467,380,638,848,064 - Step 5: Solve for x
x = 413,467,380,638,848,064/775,665,772.96 - Step 6: Final answer
x = 533,048,376.06
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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.