Finding the Fourth Proportional to 811,255,396.16, 1,216,881,201.87 and 532,893,396.26
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Solution
The fourth proportional to 811,255,396.16, 1,216,881,201.87 and 532,893,396.26 is: 799,338,851.34
Step by Step Solution
- Step 1: Write the proportion equation
811,255,396.16 : 1,216,881,201.87 = 532,893,396.26 : x - Step 2: Convert to fraction form
811,255,396.16/1,216,881,201.87 = 532,893,396.26/x - Step 3: Cross multiply
811,255,396.16x = 1,216,881,201.87 × 532,893,396.26 - Step 4: Simplify right side
811,255,396.16x = 648,467,956,503,370,496 - Step 5: Solve for x
x = 648,467,956,503,370,496/811,255,396.16 - Step 6: Final answer
x = 799,338,851.34
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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.