Finding the Fourth Proportional to 392,874,711.51, 589,149,928.56 and 134,110,774.20
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Solution
The fourth proportional to 392,874,711.51, 589,149,928.56 and 134,110,774.20 is: 201,110,814.02
Step by Step Solution
- Step 1: Write the proportion equation
392,874,711.51 : 589,149,928.56 = 134,110,774.20 : x - Step 2: Convert to fraction form
392,874,711.51/589,149,928.56 = 134,110,774.20/x - Step 3: Cross multiply
392,874,711.51x = 589,149,928.56 × 134,110,774.20 - Step 4: Simplify right side
392,874,711.51x = 79,011,353,039,056,288 - Step 5: Solve for x
x = 79,011,353,039,056,288/392,874,711.51 - Step 6: Final answer
x = 201,110,814.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.