Finding the Fourth Proportional to 406,811,679.06, 561,519,594.36 and 265,704,471.36
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Solution
The fourth proportional to 406,811,679.06, 561,519,594.36 and 265,704,471.36 is: 366,750,205.70
Step by Step Solution
- Step 1: Write the proportion equation
406,811,679.06 : 561,519,594.36 = 265,704,471.36 : x - Step 2: Convert to fraction form
406,811,679.06/561,519,594.36 = 265,704,471.36/x - Step 3: Cross multiply
406,811,679.06x = 561,519,594.36 × 265,704,471.36 - Step 4: Simplify right side
406,811,679.06x = 149,198,266,977,705,440 - Step 5: Solve for x
x = 149,198,266,977,705,440/406,811,679.06 - Step 6: Final answer
x = 366,750,205.70
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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.