Finding the Fourth Proportional to 871,602,677,311.44, 1,202,808,354,971.40 and 486,226,716,240.72
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Solution
The fourth proportional to 871,602,677,311.44, 1,202,808,354,971.40 and 486,226,716,240.72 is: 670,991,005,338.17
Step by Step Solution
- Step 1: Write the proportion equation
871,602,677,311.44 : 1,202,808,354,971.40 = 486,226,716,240.72 : x - Step 2: Convert to fraction form
871,602,677,311.44/1,202,808,354,971.40 = 486,226,716,240.72/x - Step 3: Cross multiply
871,602,677,311.44x = 1,202,808,354,971.40 × 486,226,716,240.72 - Step 4: Simplify right side
871,602,677,311.44x = 584,837,556,704,646,057,164,800 - Step 5: Solve for x
x = 584,837,556,704,646,057,164,800/871,602,677,311.44 - Step 6: Final answer
x = 670,991,005,338.17
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Double scale
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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.