Finding the Fourth Proportional to 944,784,912.40, 1,417,177,368.60 and 829,993,656.40
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Solution
The fourth proportional to 944,784,912.40, 1,417,177,368.60 and 829,993,656.40 is: 1,244,990,484.60
Step by Step Solution
- Step 1: Write the proportion equation
944,784,912.40 : 1,417,177,368.60 = 829,993,656.40 : x - Step 2: Convert to fraction form
944,784,912.40/1,417,177,368.60 = 829,993,656.40/x - Step 3: Cross multiply
944,784,912.40x = 1,417,177,368.60 × 829,993,656.40 - Step 4: Simplify right side
944,784,912.40x = 1,176,248,225,931,644,416 - Step 5: Solve for x
x = 1,176,248,225,931,644,416/944,784,912.40 - Step 6: Final answer
x = 1,244,990,484.60
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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.