Finding the Fourth Proportional to 682,704,884.66, 942,135,226.14 and 369,439,070.26
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Solution
The fourth proportional to 682,704,884.66, 942,135,226.14 and 369,439,070.26 is: 509,827,261.86
Step by Step Solution
- Step 1: Write the proportion equation
682,704,884.66 : 942,135,226.14 = 369,439,070.26 : x - Step 2: Convert to fraction form
682,704,884.66/942,135,226.14 = 369,439,070.26/x - Step 3: Cross multiply
682,704,884.66x = 942,135,226.14 × 369,439,070.26 - Step 4: Simplify right side
682,704,884.66x = 348,061,562,004,356,416 - Step 5: Solve for x
x = 348,061,562,004,356,416/682,704,884.66 - Step 6: Final answer
x = 509,827,261.86
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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.