Finding the Fourth Proportional to 479,413,026.76, 719,140,469.74 and 151,912,674.96
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Solution
The fourth proportional to 479,413,026.76, 719,140,469.74 and 151,912,674.96 is: 227,875,644.45
Step by Step Solution
- Step 1: Write the proportion equation
479,413,026.76 : 719,140,469.74 = 151,912,674.96 : x - Step 2: Convert to fraction form
479,413,026.76/719,140,469.74 = 151,912,674.96/x - Step 3: Cross multiply
479,413,026.76x = 719,140,469.74 × 151,912,674.96 - Step 4: Simplify right side
479,413,026.76x = 109,246,552,430,194,336 - Step 5: Solve for x
x = 109,246,552,430,194,336/479,413,026.76 - Step 6: Final answer
x = 227,875,644.45
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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.