Finding the Fourth Proportional to 395,464,338.37, 592,781,263.21 and 133,057,795.15
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Solution
The fourth proportional to 395,464,338.37, 592,781,263.21 and 133,057,795.15 is: 199,446,979.76
Step by Step Solution
- Step 1: Write the proportion equation
395,464,338.37 : 592,781,263.21 = 133,057,795.15 : x - Step 2: Convert to fraction form
395,464,338.37/592,781,263.21 = 133,057,795.15/x - Step 3: Cross multiply
395,464,338.37x = 592,781,263.21 × 133,057,795.15 - Step 4: Simplify right side
395,464,338.37x = 78,874,167,888,954,416 - Step 5: Solve for x
x = 78,874,167,888,954,416/395,464,338.37 - Step 6: Final answer
x = 199,446,979.76
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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.