Finding the Fourth Proportional to 790,161,266.68, 1,090,489,509.58 and 437,847,770.14
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Solution
The fourth proportional to 790,161,266.68, 1,090,489,509.58 and 437,847,770.14 is: 604,267,027.84
Step by Step Solution
- Step 1: Write the proportion equation
790,161,266.68 : 1,090,489,509.58 = 437,847,770.14 : x - Step 2: Convert to fraction form
790,161,266.68/1,090,489,509.58 = 437,847,770.14/x - Step 3: Cross multiply
790,161,266.68x = 1,090,489,509.58 × 437,847,770.14 - Step 4: Simplify right side
790,161,266.68x = 477,468,400,130,757,248 - Step 5: Solve for x
x = 477,468,400,130,757,248/790,161,266.68 - Step 6: Final answer
x = 604,267,027.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.