Finding the Fourth Proportional to 303,438,312.18, 454,973,155.35 and 118,984,810.38
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Solution
The fourth proportional to 303,438,312.18, 454,973,155.35 and 118,984,810.38 is: 178,404,942.44
Step by Step Solution
- Step 1: Write the proportion equation
303,438,312.18 : 454,973,155.35 = 118,984,810.38 : x - Step 2: Convert to fraction form
303,438,312.18/454,973,155.35 = 118,984,810.38/x - Step 3: Cross multiply
303,438,312.18x = 454,973,155.35 × 118,984,810.38 - Step 4: Simplify right side
303,438,312.18x = 54,134,894,617,310,032 - Step 5: Solve for x
x = 54,134,894,617,310,032/303,438,312.18 - Step 6: Final answer
x = 178,404,942.44
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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.