Finding the Fourth Proportional to 309,609,469.13, 427,255,541.17 and 168,475,876.49
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Solution
The fourth proportional to 309,609,469.13, 427,255,541.17 and 168,475,876.49 is: 232,493,702.43
Step by Step Solution
- Step 1: Write the proportion equation
309,609,469.13 : 427,255,541.17 = 168,475,876.49 : x - Step 2: Convert to fraction form
309,609,469.13/427,255,541.17 = 168,475,876.49/x - Step 3: Cross multiply
309,609,469.13x = 427,255,541.17 × 168,475,876.49 - Step 4: Simplify right side
309,609,469.13x = 71,982,251,784,471,984 - Step 5: Solve for x
x = 71,982,251,784,471,984/309,609,469.13 - Step 6: Final answer
x = 232,493,702.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.