Finding the Fourth Proportional to 569,646,577.80, 854,469,866.70 and 354,655,729.80
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Solution
The fourth proportional to 569,646,577.80, 854,469,866.70 and 354,655,729.80 is: 531,983,594.70
Step by Step Solution
- Step 1: Write the proportion equation
569,646,577.80 : 854,469,866.70 = 354,655,729.80 : x - Step 2: Convert to fraction form
569,646,577.80/854,469,866.70 = 354,655,729.80/x - Step 3: Cross multiply
569,646,577.80x = 854,469,866.70 × 354,655,729.80 - Step 4: Simplify right side
569,646,577.80x = 303,042,634,166,597,248 - Step 5: Solve for x
x = 303,042,634,166,597,248/569,646,577.80 - Step 6: Final answer
x = 531,983,594.70
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1.5x scale
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.