Finding the Fourth Proportional to 435,455,999.20, 653,183,998.80 and 176,795,135.20
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Solution
The fourth proportional to 435,455,999.20, 653,183,998.80 and 176,795,135.20 is: 265,192,702.80
Step by Step Solution
- Step 1: Write the proportion equation
435,455,999.20 : 653,183,998.80 = 176,795,135.20 : x - Step 2: Convert to fraction form
435,455,999.20/653,183,998.80 = 176,795,135.20/x - Step 3: Cross multiply
435,455,999.20x = 653,183,998.80 × 176,795,135.20 - Step 4: Simplify right side
435,455,999.20x = 115,479,753,378,322,624 - Step 5: Solve for x
x = 115,479,753,378,322,624/435,455,999.20 - Step 6: Final answer
x = 265,192,702.80
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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.