Finding the Fourth Proportional to 487,780,496.41, 731,814,475.10 and 196,497,728.41
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Solution
The fourth proportional to 487,780,496.41, 731,814,475.10 and 196,497,728.41 is: 294,804,493.07
Step by Step Solution
- Step 1: Write the proportion equation
487,780,496.41 : 731,814,475.10 = 196,497,728.41 : x - Step 2: Convert to fraction form
487,780,496.41/731,814,475.10 = 196,497,728.41/x - Step 3: Cross multiply
487,780,496.41x = 731,814,475.10 × 196,497,728.41 - Step 4: Simplify right side
487,780,496.41x = 143,799,881,973,724,016 - Step 5: Solve for x
x = 143,799,881,973,724,016/487,780,496.41 - Step 6: Final answer
x = 294,804,493.07
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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.