Finding the Fourth Proportional to 341,896,965.81, 471,765,636.36 and 193,163,818.70
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Solution
The fourth proportional to 341,896,965.81, 471,765,636.36 and 193,163,818.70 is: 266,536,591.32
Step by Step Solution
- Step 1: Write the proportion equation
341,896,965.81 : 471,765,636.36 = 193,163,818.70 : x - Step 2: Convert to fraction form
341,896,965.81/471,765,636.36 = 193,163,818.70/x - Step 3: Cross multiply
341,896,965.81x = 471,765,636.36 × 193,163,818.70 - Step 4: Simplify right side
341,896,965.81x = 91,128,051,848,374,336 - Step 5: Solve for x
x = 91,128,051,848,374,336/341,896,965.81 - Step 6: Final answer
x = 266,536,591.32
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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.