Finding the Fourth Proportional to 871,808,310.36, 1,203,104,876.63 and 475,328,082.74
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Solution
The fourth proportional to 871,808,310.36, 1,203,104,876.63 and 475,328,082.74 is: 655,957,883.79
Step by Step Solution
- Step 1: Write the proportion equation
871,808,310.36 : 1,203,104,876.63 = 475,328,082.74 : x - Step 2: Convert to fraction form
871,808,310.36/1,203,104,876.63 = 475,328,082.74/x - Step 3: Cross multiply
871,808,310.36x = 1,203,104,876.63 × 475,328,082.74 - Step 4: Simplify right side
871,808,310.36x = 571,869,534,335,289,984 - Step 5: Solve for x
x = 571,869,534,335,289,984/871,808,310.36 - Step 6: Final answer
x = 655,957,883.79
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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.