Finding the Fourth Proportional to 479,646,377.79, 719,538,198.25 and 147,681,475.55
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Solution
The fourth proportional to 479,646,377.79, 719,538,198.25 and 147,681,475.55 is: 221,543,344.75
Step by Step Solution
- Step 1: Write the proportion equation
479,646,377.79 : 719,538,198.25 = 147,681,475.55 : x - Step 2: Convert to fraction form
479,646,377.79/719,538,198.25 = 147,681,475.55/x - Step 3: Cross multiply
479,646,377.79x = 719,538,198.25 × 147,681,475.55 - Step 4: Simplify right side
479,646,377.79x = 106,262,462,831,410,032 - Step 5: Solve for x
x = 106,262,462,831,410,032/479,646,377.79 - Step 6: Final answer
x = 221,543,344.75
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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.