Finding the Fourth Proportional to 3,460,818,850.73, 5,191,228,336.23 and 840,605,299.88
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Solution
The fourth proportional to 3,460,818,850.73, 5,191,228,336.23 and 840,605,299.88 is: 1,260,907,964.43
Step by Step Solution
- Step 1: Write the proportion equation
3,460,818,850.73 : 5,191,228,336.23 = 840,605,299.88 : x - Step 2: Convert to fraction form
3,460,818,850.73/5,191,228,336.23 = 840,605,299.88/x - Step 3: Cross multiply
3,460,818,850.73x = 5,191,228,336.23 × 840,605,299.88 - Step 4: Simplify right side
3,460,818,850.73x = 4,363,774,052,322,172,416 - Step 5: Solve for x
x = 4,363,774,052,322,172,416/3,460,818,850.73 - Step 6: Final answer
x = 1,260,907,964.43
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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.