Finding the Fourth Proportional to 303,467,974.12, 455,383,561.96 and 130,944,787.62
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Solution
The fourth proportional to 303,467,974.12, 455,383,561.96 and 130,944,787.62 is: 196,495,541.17
Step by Step Solution
- Step 1: Write the proportion equation
303,467,974.12 : 455,383,561.96 = 130,944,787.62 : x - Step 2: Convert to fraction form
303,467,974.12/455,383,561.96 = 130,944,787.62/x - Step 3: Cross multiply
303,467,974.12x = 455,383,561.96 × 130,944,787.62 - Step 4: Simplify right side
303,467,974.12x = 59,630,103,804,580,656 - Step 5: Solve for x
x = 59,630,103,804,580,656/303,467,974.12 - Step 6: Final answer
x = 196,495,541.17
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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.